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Today in Science History - Quickie Quiz
Who said: “The conservation of natural resources is the fundamental problem. Unless we solve that problem it will avail us little to solve all others.”
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Home > Category Index for Science Quotations > Category Index D

Scientist Quotations - Categories Index for Initial D

This list includes science quotes from archaeologists, biologists, chemists, geologists, inventors and inventions, mathematicians, physicists plus pioneers in medicine, science events and technology.

This index gives quotes listed under category headings. When the category is a scientist name, the index is for any reference made ABOUT the scientist BY another person.

Dabble (2)
Dad (4)
Daddy (1)
Daedalus (1)
Daemon (1)
Dagger (3)
Daily (91)
Daily Life (18)
Daintily (1)
Dainty (1)
Dairy (2)
Daisy (4)
Dalton (1)
Dam (8)
Damage (38)
Damn (12)
Damnable (1)
Damnably (1)
Damnation (4)
Damned (4)
Damnedest (1)
Damp (1)
Damsel (1)
Dance (33)
Dancer (4)
Dandelion (2)
Dane (1)
Dang (1)
Danger (127)
Dangerous (107)
Dangle (2)
Daniel (1)
Danish (1)
Danube (2)
Dare (53)
Daredevil (1)
Daresay (1)
Daring (17)
Dark (144)
Dark Ages (10)
Dark Matter (4)
Darken (2)
Darker (1)
Darkling (1)
Darkly (2)
Darkness (72)
Darkroom (1)
Darling (1)
Darndest (1)
Darth Vader (1)
Darwin (14)
Darwin Medal (1)
Darwin_Darwin (1)
Darwini_Charles (1)
Darwinian (9)
Darwinism (3)
Darwins (5)
Dash (3)
Data (161)
Data Manipulation (1)
Date (14)
Dating (1)
Datum (3)
Daughter (30)
Daunt (1)
Daunted (1)
Daunting (3)
David (6)
Dawdle (1)
Dawn (31)
Dawn Chorus (1)
Dawned (1)
Dawnings (1)
Day (43)
Day And Night (3)
Day Care (1)
Day Dream (2)
Day Of Judgment (1)
Day-To-Day (1)
Daybreak (1)
Daylight (23)
Daylight Saving Time (10)
Days (1)
Daytime (3)
Dayton (1)
Dazzle (4)
Dazzlement (1)
Dazzling (13)
Dazzlingly (1)
DDT (1)
De Magnete (1)
De Minimis Lex Non Curat (1)
De Sectione Determinata (1)
De-Emphasize (1)
Deacon (1)
Dead (64)
Dead End (1)
Dead Sea (2)
Dead Sure (1)
Dead Zone (1)
DeadAs A Door-Nail (1)
Deaden (1)
Deadline (1)
Deadliness (2)
Deadly (21)
Deadness (1)
Deaf (4)
Deafening (1)
Deal (190)
Dealing (11)
Dean (2)
Dearth (2)
Death (405)
Death Rate (3)
Death Sentence (1)
Deathcamp (1)
Deathly (1)
Debacle (1)
Debar (2)
Debase (2)
Debasement (1)
Debatable (1)
Debate (40)
Debauch (1)
Debauched (2)
Debility (1)
Debris (7)
Debris-Basin (1)
DeBroglie_Maurice (2)
Debt (15)
Debtor (1)
Debunk (1)
Dec (1)
Decade (65)
Decadent (1)
Decay (59)
Decaying (1)
Deceased (1)
Deceit (7)
Deceitfulness (1)
Deceive (26)
Deceiving (5)
December (3)
Decency (5)
Decent (12)
Decentered (2)
Decentralization (1)
Deception (9)
Deceptive (2)
Decide (48)
Decided (2)
Decidedly (2)
Deciduous (1)
Decigram (2)
Decimal (21)
Decimal Notation (1)
Decimal Place (2)
Decimetre (1)
Decipher (7)
Deciphering (1)
Decision (97)
Decisive (25)
Decisively (1)
Decisiveness (1)
Deck (3)
Decker (1)
Declamation (1)
Declaration (10)
Declaration Of Independence (5)
Declare (47)
Declared (24)
Declaring (1)
Declination (1)
Decline (28)
Decline Of Science (2)
Declivity (1)
Decoction (1)
Decoding (1)
Decommission (1)
Decompose (9)
Decomposer (1)
Decomposition (19)
Decompression (1)
Decor (1)
Decorate (2)
Decoration (2)
Decorative (1)
Decorum (1)
Decrease (16)
Decree (9)
Decry (1)
Dedicate (12)
Dedicated (19)
Dedication (12)
Deduce (27)
Deducible (1)
Deduct (1)
Deduction (89)
Deductive (13)
Deductively (1)
Deductivism (1)
Deed (34)
Deem (7)
Deemed (1)
Deep (239)
Deep Sea (10)
Deep-Rooted (1)
Deep-Sea Mining (1)
Deep-Seated (1)
Deep-Voiced (1)
Deepen (6)
Deepened (1)
Deepening (2)
Deeper (4)
Deepest (4)
Deeply (17)
Deeply-Rooted (1)
Deepwater Horizon (1)
Deer (11)
Deface (1)
Defamation (2)
Defamer (1)
Defeat (31)
Defeated (1)
Defeating (1)
Defeatist (1)
Defecation (1)
Defect (31)
Defective (4)
Defence (16)
Defend (31)
Defendable (1)
Defendant (2)
Defended (1)
Defender (5)
Defending (2)
Defense (26)
Defenseless (3)
Defensive (2)
Defer (1)
Deference (2)
Defiance (7)
Deficiency (14)
Deficient (3)
Defile (1)
Defilement (1)
Defiling (1)
Define (52)
Defined (4)
Defining (3)
Definite (114)
Definitely (5)
Definiteness (3)
Definition (234)
Definitions And Objects Of Mathematics (33)
Definitive (3)
Deflate (2)
Deflation (1)
Deflect (1)
Deflection (2)
Defoliation (1)
Deforestation (50)
Deform (1)
Deformation (3)
Deformity (1)
Deftly (1)
Defunct (1)
Defunding (1)
Defy (11)
Degenerate (14)
Degenerated (1)
Degeneration (11)
Degenerative (2)
Degeration (1)
Degradation (18)
Degrade (9)
Degrading (1)
Degree (277)
Deign (1)
Deity (22)
Delay (21)
Delayed (1)
Delectable (2)
Delegate (3)
Deleterious (1)
Deliberate (19)
Deliberately (6)
Deliberation (5)
Delicacy (8)
Delicate (45)
Delicately (1)
Delicious (3)
Delight (110)
Delightful (18)
Delineate (2)
Delineation (1)
Delioght (1)
Delirious (2)
Delirium (3)
Delist (1)
Deliver (30)
Delivery (7)
Delphic (4)
Delude (3)
Deluded (7)
Deluge (14)
Delusion (26)
Delusive (1)
Demagogue (1)
Demagogy (1)
Demand (130)
Demanding (2)
Demarcation (1)
Demean (1)
Demeaning (2)
Demented (1)
Demi-God (1)
Demise (2)
Democract (1)
Democracy (36)
Democrat (1)
Democratic (12)
Democratic Convention (1)
Democratizer (1)
Demographic (1)
Demolish (8)
Demolition (4)
Demon (8)
Demonstrable (1)
Demonstrate (78)
Demonstrated (1)
Demonstrating (1)
Demonstration (120)
Demonstrative (14)
Demoralising (1)
Denature (1)
Denatured (1)
Denial (19)
Denied (1)
Denier (1)
Denizen (1)
Denmark (1)
Denomination (6)
Denominator (2)
Denote (6)
Denouement (1)
Denounce (6)
Dense (5)
Denser (1)
Density (25)
Dent (1)
Dentist (4)
Dentistry (3)
Denudation (2)
Denumeration (1)
Deny (70)
Deoxyribonucleic Acid (3)
Deoxyribonucleic Acids (1)
Deoxyribonucleotide (1)
Deoxyribose (1)
Deoxyribose Nucleic Acid (1)
Depart (5)
Departed (1)
Departing (2)
Department (92)
Department Of Energy (1)
Departure (9)
Depend (236)
Dependability (1)
Dependance (4)
Depended (1)
Dependence (46)
Dependency (3)
Dependent (26)
Depending (2)
Dephlogisticated Air (1)
Depict (3)
Depiction (1)
Deplendus (1)
Deplete (2)
Depletion (4)
Deplorable (4)
Deplore (2)
Deplored (1)
Deploy (3)
Depopulation (1)
Deport (1)
Deposit (12)
Deposited (1)
Deposition (4)
Depository (1)
Depot (1)
Depravation (1)
Depravity (3)
Deprecate (2)
Deprecating (1)
Depress (1)
Depressed (2)
Depressing (3)
Depression (26)
Deprivation (5)
Deprive (14)
Deprived (2)
Depth (97)
Deranged (3)
Derangement (2)
Deregulation (2)
Deride (2)
Derision (8)
Derivation (15)
Derivative (6)
Derive (67)
Derived (5)
Deriving (2)
Dermatologist (3)
Dermatology (2)
Derogation (1)
Derogatory (3)
Desalination (3)
Desargues_Girard (1)
Descarte (1)
Descend (47)
Descendant (18)
Descended (2)
Descending (1)
Descent (29)
Descent Of Man (6)
Describe (132)
Described (1)
Describing (1)
Description (89)
Descriptive (17)
Descriptive Geometry (3)
Descrption (1)
Desecration (1)
Desert (59)
Deserter (1)
Desertification (1)
Deserve (65)
Deserves (1)
Deserving (4)
Desiccating (1)
Desiccation (1)
Desideratum (5)
Design (202)
Designation (13)
Designed (2)
Designer (7)
Desirability (2)
Desirable (33)
Desire (212)
Desired (5)
Desirous (2)
Desist (1)
Desk (13)
Desktop (2)
Desolate (1)
Desolation (3)
Despair (40)
Desperate (5)
Desperately (1)
Desperation (6)
Despicable (3)
Despise (15)
Despised (1)
Despising (3)
Despite (7)
Despoil (1)
Despoiler (2)
Despoliation (1)
Despondence (1)
Despot (2)
Despotism (1)
Dessication (1)
Destabilize (1)
Destination (16)
Destined (42)
Destiny (54)
Destitute (2)
Destitution (2)
Destroy (189)
Destroyed (2)
Destroyer (5)
Destroying (3)
Destruction (134)
Destructive (10)
Destructively (1)
Destructiveness (2)
Detach (5)
Detached (1)
Detachment (8)
Detail (149)
Detailed (1)
Detain (1)
Detect (45)
Detectable (1)
Detection (19)
Detective (11)
Detector (4)
Detention (2)
Deter (3)
Detergent (3)
Deteriorate (3)
Deterioration (10)
Determinant (1)
Determinate (7)
Determination (80)
Determine (150)
Determined (9)
Determining (2)
Determinism (12)
Deterministic (2)
Deterrent (3)
Detest (5)
Detestable (1)
Detestation (1)
Detonation (2)
Detonator (1)
Detour (1)
Detract (2)
Detraction (1)
Detractor (1)
Detriment (3)
Detrimental (2)
Detritus (2)
Deuterium (1)
Devastated (1)
Devastating (6)
Devastation (6)
Develop (278)
Developed (11)
Developed Country (1)
Developer (2)
Developing (1)
Developing Country (2)
Development (439)
Developmental (1)
Deviation (21)
Device (71)
Devil (34)
Devil's Advocate (1)
Devilment (1)
Devious (2)
Devise (16)
Devised (3)
Devising (7)
Devoid (12)
Devolve (1)
Devote (42)
Devoted (59)
Devotee (7)
Devotion (36)
Devour (29)
Devoured (1)
Devout (5)
Dew (10)
Dew Point (1)
Dewdrop (2)
Dexterity (8)
Dexterous (1)
Dextroacid (1)
Dhaka (1)
Diabetes (5)
Diabolical (1)
Diagnosis (65)
Diagnostic (2)
Diagonal (3)
Diagram (20)
Dial (9)
Dialect (1)
Dialectic (6)
Dialectical (1)
Dialogue (10)
Diameter (28)
Diametrical (2)
Diametrically (6)
Diamond (21)
Diaper (2)
Diaphragm (1)
Diarist (1)
Diarrhea (1)
Diary (2)
Diathermy (1)
Diathesis (1)
Dice (21)
Dichotomies (1)
Dichotomy (4)
Dicke (1)
Dictate (11)
Dictator (3)
Dictatorial (1)
Diction (1)
Dictum (10)
Die (93)
Dieldrin (1)
Diesel (1)
Diet (56)
Dietary (1)
Dieter (1)
Dietetic (4)
Dietetics (4)
Dietitian (1)
Differ (88)
Difference (353)
Different (590)
Differential (7)
Differential Calculus (11)
Differential Equation (18)
Differentiate (19)
Differentiated (1)
Differentiation (27)
Differently (4)
Differing (2)
Difficult (261)
Difficulty (201)
Diffidence (2)
Diffraction (5)
Diffuse (5)
Diffusion (13)
Dig (25)
Digest (10)
Digested (2)
Digesting (2)
Digestion (29)
Diggeth (1)
Digging (11)
Digit (4)
Digital (10)
Digital Computer (1)
Dignified (13)
Dignify (2)
Dignity (44)
Digress (1)
Digression (3)
Dijkstra (1)
Dike (2)
Dilapidated (2)
Dilate (1)
Dilemma (11)
Dilettante (1)
Dilettantism (1)
Diligence (21)
Diligent (19)
Dilute (1)
Diluteness (1)
Dilution (5)
Diluvium (1)
Dim (10)
Dime (1)
Dimension (63)
Dimensions (1)
Diminish (17)
Diminished (1)
Diminution (5)
Diminutive (3)
Dimly (6)
Dimm (1)
Dimmer (1)
Dimness (1)
Dimple (1)
Din (1)
Dine (5)
Diner (1)
Dining (1)
Dinner (15)
Dinosaur (26)
Diophantine (1)
Dioxide (1)
Dip (3)
Diphtheria (2)
Diploma (2)
Diplomatic (1)
Dipsomania (2)
Dire (6)
Direct (228)
Directable (1)
Directed (2)
Directing (5)
Direction (185)
Directional (1)
Directionally (1)
Directionless (1)
Directly (25)
Directly Proportional (1)
Directness (1)
Director (2)
Directory (1)
Dirichlet_Gustav (1)
Dirigible (2)
Dirt (17)
Dirty (17)
Disabled (2)
Disabler (1)
Disadvantage (10)
Disadvantageous (2)
Disagree (14)
Disagreeable (5)
Disagreed (4)
Disagreement (14)
Disappear (83)
Disappearance (28)
Disappered (1)
Disappoint (14)
Disappointed (6)
Disappointing (1)
Disappointment (17)
Disapprobation (2)
Disapproval (2)
Disapprove (1)
Disarm (1)
Disarmament (6)
Disarray (1)
Disarticulate (1)
Disarticulation (1)
Disaster (58)
Disastrous (3)
Disastrously (1)
Disbelief (4)
Disbeliever (1)
Disc (1)
Discard (32)
Discarded (2)
Discarding (2)
Discern (35)
Discernible (9)
Discerning (16)
Discernment (4)
Discharge (20)
Disciple (8)
Discipline (83)
Disciplined (1)
Disclaimer (2)
Disclose (19)
Disclosed (2)
Disclosing (1)
Disclosure (7)
Discombobulated (1)
Discomfort (4)
Disconcert (1)
Disconcerted (1)
Disconcerting (3)
Disconnect (4)
Disconnected (3)
Disconsolatation (1)
Discontent (6)
Discontented (2)
Discontinue (3)
Discontinued (1)
Discontinuity (4)
Discontinuous (6)
Discord (10)
Discount (1)
Discourage (13)
Discouraged (2)
Discouragement (10)
Discourse (19)
Discover (571)
Discoverer (43)
Discovery (831)
Discredit (8)
Discreditable (1)
Discreet (1)
Discrepancy (7)
Discrete (11)
Discreteness (1)
Discretion (3)
Discriminate (4)
Discrimination (9)
Discuss (25)
Discussion (78)
Disdain (10)
Disease (340)
Disembodied (6)
Disembowel (1)
Disenchantment (2)
Disencumber (1)
Disengage (3)
Disentangle (4)
Disestablishment (1)
Disfigure (2)
Disfigured (1)
Disgorge (1)
Disgrace (12)
Disguise (12)
Disguised (1)
Disgust (10)
Dish (3)
Disharmony (1)
Disheartening (2)
Dishonest (7)
Dishonesty (9)
Dishonorable (2)
Dishwashing (1)
Disillusionment (2)
Disimagine (1)
Disinclined (1)
Disinfect (2)
Disinfectant (1)
Disintegrate (3)
Disintegrated (1)
Disintegration (8)
Disinterest (8)
Disjointed (2)
Disk (3)
Dislike (16)
Dislocate (1)
Dislocation (4)
Dislodge (1)
Disloyalty (1)
Dismal (1)
Dismal Science (3)
Dismantle (2)
Dismantlement (1)
Dismay (5)
Dismember (2)
Dismemberment (3)
Dismiss (11)
Dismissal (2)
Dismissive (1)
Disobedience (4)
Disorder (45)
Disorderly (1)
Disorganised (1)
Disorientation (1)
Disown (1)
Disparage (5)
Disparate (1)
Dispassionate (9)
Dispatch (2)
Dispel (5)
Dispelling (4)
Dispensary (1)
Dispense (10)
Dispersal (2)
Disperse (1)
Dispersed (1)
Dispersion (2)
Displace (9)
Displacement (9)
Display (58)
Disporting (1)
Disposable Income (1)
Disposal (5)
Dispose (10)
Disposition (43)
Disproof (1)
Disproportion (3)
Disproportionate (1)
Disprove (24)
Disputant (1)
Disputation (1)
Dispute (36)
Disqualification (2)
Disqualify (1)
Disquieting (1)
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Disquisitiones Arithmeticae (2)
Disregard (12)
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Disrespect (3)
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Disruption (3)
Dissatisfaction (13)
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Dissection (35)
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Dissent (7)
Dissenting (1)
Dissertation (2)
Disservice (4)
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Dissident (1)
Dissimilar (6)
Dissimilation (1)
Dissipate (8)
Dissipation (2)
Dissociate (1)
Dissolution (11)
Dissolve (22)
Dissolved (1)
Dissolving (1)
Dissuade (1)
Dissuasion (1)
Distance (169)
Distant (33)
Distaste (3)
Distasteful (1)
Distemper (5)
Distend (1)
Distil (1)
Distill (3)
Distillation (11)
Distilled (2)
Distiller (1)
Distinct (98)
Distinction (72)
Distinctive (25)
Distinctively (2)
Distinctly (5)
Distinctness (1)
Distinguish (167)
Distinguishable (2)
Distinguished (84)
Distinguishing (14)
Distort (22)
Distortion (13)
Distract (6)
Distraction (7)
Distress (9)
Distribute (16)
Distributed (1)
Distributing (1)
Distribution (51)
Distributive (2)
Distributor (1)
District (11)
Distrust (11)
Disturb (30)
Disturbance (34)
Disturbed (15)
Disturbing (1)
Disturbingly (1)
Disuse (3)
Disused (2)
Ditch (2)
Dithyrambic (1)
Dive (12)
Diverge (3)
Divergence (6)
Divergent (6)
Diveristy (2)
Diverse (20)
Diversification (2)
Diversified (3)
Diversify (3)
Diversion (10)
Diversity (75)
Divert (3)
Divest (1)
Divide (76)
Divide Et Impera (1)
Divided (50)
Dividend (3)
Divination (2)
Divine (112)
Divine Comedy (1)
Divine Spirit (1)
Divinely (1)
Divining (1)
Divining Rod (1)
Divinity (23)
Divisible (5)
Division (67)
Divisive (1)
Divorce (6)
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Dizzy (4)
DNA (80)
Dnieper (1)
Do (1905)
Do Or Die (1)
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Docile (2)
Docility (1)
Dock (1)
Dockyard (2)
Doctor (190)
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Doctoral (1)
Doctorate (2)
Doctoring (1)
Doctrine (80)
Document (7)
Documentary (1)
Documentation (1)
Dodd_Senator (1)
Dodecahedron (1)
Dodge (3)
Dodger (1)
Dodo (7)
Dog (70)
Dogged (1)
Dogma (49)
Dogmatic (8)
Dogmatically (1)
Dogmatism (15)
Dogmatist (4)
Dogmatize (1)
Dogsled (1)
Dogwood (1)
Doing (277)
Doings (2)
Doll (2)
Dollar (22)
Dollar Bill (1)
Dolly (2)
Dolphin (9)
Dolphinese (1)
Dolt (1)
Domain (72)
Dome (9)
Domestic (27)
Domesticated (2)
Domestication (5)
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Dominance (5)
Dominant (26)
Dominate (20)
Dominating (1)
Domination (12)
Dominic (1)
Dominion (11)
Don (2)
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Doom (34)
Doomsday (5)
Door (94)
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Dopiness (1)
Doric (1)
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Dormant (4)
Dormitory (1)
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Dose (17)
Dostoyevsky_Fyodor (1)
Dot (18)
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Double (18)
Double Helix (2)
Double Refraction (1)
Double Standard (1)
Double Star (1)
Double-Edged (2)
Doubled (1)
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Doubly (1)
Doubt (313)
Doubtful (30)
Doubtful Attribution (1)
Doubtfully (1)
Doubtless (8)
Doughnut (3)
Douglas Fir (2)
Dove (3)
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Carl Sagan Thumbnail In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion. (1987) -- Carl Sagan
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Gertrude Elion
Ernest Rutherford
James Chadwick
Marcel Proust
William Harvey
Johann Goethe
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Carl Gauss
Paul Feyerabend
- 90 -
Antoine Lavoisier
Lise Meitner
Charles Babbage
Ibn Khaldun
Euclid
Ralph Emerson
Robert Bunsen
Frederick Banting
Andre Ampere
Winston Churchill
- 80 -
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Bronislaw Malinowski
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Louis Pasteur
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- 70 -
Samuel Morse
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Thomas Edison
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Theodore Roosevelt
Carolus Linnaeus
- 60 -
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Martin Fischer
Robert Boyle
Karl Popper
Paul Dirac
Avicenna
James Watson
William Shakespeare
- 50 -
Stephen Hawking
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Nikola Tesla
Rachel Carson
Max Planck
Henry Adams
Richard Dawkins
Werner Heisenberg
Alfred Wegener
John Dalton
- 40 -
Pierre Fermat
Edward Wilson
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JJ Thomson
Thomas Kuhn
Leonardo DaVinci
Archimedes
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- 30 -
Andreas Vesalius
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Richard Feynman
James Hutton
Alexander Fleming
Emile Durkheim
Benjamin Franklin
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Charles Kettering
- 20 -
Carl Sagan
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Francis Bacon
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- 10 -
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