Scientist Quotations - Categories Index for Initial L
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.
Label (3)
Labor (14)
Labor-Saving (1)
Laboratory (69)
Laboratory Notebook (1)
Labour (23)
Labour Party (1)
Laboured (1)
Labourer (2)
Labyrinth (5)
Lack (10)
Lacking (2)
Lactic Acid (2)
Lad (1)
Ladder (3)
Lady (2)
Lady-Bird (1)
Laevo (1)
Laid (1)
Lake (3)
Lake Michigan (1)
Lamb (2)
Lame (1)
Lamely (1)
Lament (1)
Lamentable (2)
Lamentation (1)
Lamp (7)
Land (18)
Landlady (1)
Landmark (2)
Landscape (9)
Language (62)
Lantern (3)
Lanthanum (2)
Lanugauge (1)
Lap (1)
Lard (1)
Large (19)
Large Hadron Collider (6)
LargeGutenberg_Beno (1)
Larger (2)
Larger Picture (1)
Largest (4)
Lark (1)
Larva (4)
Laryngologist (1)
Laser (1)
Lash (1)
Lassitude (1)
Last (9)
Last Thing (1)
Last Word (1)
Last-Born (1)
Lasting (2)
Late (3)
Latency (1)
Lateness (3)
Latent (4)
Latent Heat (4)
Later (3)
Lateral (2)
Latest (1)
Lath (1)
Latin (8)
Latin Proverb (1)
Latitude (1)
Latter (2)
Laugh (5)
Laughing (1)
Laughter (10)
Launch (1)
Laundry (1)
Laureate (1)
Lava (1)
Lavishness (1)
Lavoisier (1)
Law (255)
Law And Order (1)
Law Of Conservation Of Energy (1)
Law Of Gravitation (10)
Law Of Gravity (3)
Law Of Motion (7)
Law Of Nature (27)
Law Of Universal Gravitation (1)
Law Suit (1)
Lawfulness (1)
Lawgiver (1)
Laws Of Motion (3)
Lawyer (12)
Layer (8)
Layman (5)
Laziness (2)
LCD (1)
Lead (30)
Leader (4)
Leadership (1)
Leading (7)
Leading Edge (1)
Leaf (17)
Leaf Cutter (1)
League (1)
Leak (2)
Lean (2)
Leanness (1)
Leap (6)
Lear (1)
Learn (19)
Learned (4)
Learner (1)
Learning (116)
Leased (1)
Least (5)
Leather (1)
Leave (5)
Leaving (3)
Lecherous (1)
Lecture (29)
Lecturer (4)
Led (1)
Leech (2)
Leerstelle (1)
Left (4)
Leg (4)
Legacy (3)
Legal (2)
Legality (1)
Legend (2)
Legerdemain (1)
Legibility (1)
Legion (1)
Legislation (2)
Legislator (1)
Legitimacy (2)
Legitimate (1)
Leibnitz_Gottfried (1)
Leisure (5)
Leitmotif (1)
Lemma (1)
Lemon (1)
Length (5)
Lengthened (1)
Lengthening (1)
Lengthy (1)
Lenin_Vladimir (2)
Lens (8)
Lepidoptology (1)
Leprosy (1)
Less (10)
Lessen (1)
Lessening (1)
Lesson (13)
Let There Be Light (1)
Lethargy (1)
Letter (13)
Lettuce (1)
Leukemia (1)
Leukocyte (2)
Level (15)
Levelling (1)
Lever (6)
Lewd (1)
Lexicographer (1)
Lexicography (1)
Leyden Jar (2)
Liability (3)
Liable (1)
Liar (3)
Liberal (4)
Liberal Arts (1)
Liberalism (2)
Liberate (2)
Liberated (1)
Liberation (2)
Liberator (1)
Liberty (9)
Libido (1)
Library (22)
Lice (1)
License (1)
Lie (20)
Life (407)
Life Cycle (1)
Life-Form (4)
Lifeform (2)
Lifeless (3)
Lifelong (2)
Lifespan (3)
Lifetime (10)
Lifetme (1)
Lift (4)
Lift Off (1)
LiftsNational (1)
Light (107)
Light Bulb (1)
Light Wave (2)
Light Year (1)
Light-Years (1)
Lighter (1)
Lighthouse (3)
Lighting (3)
Lightly (1)
Lightning (16)
Lightning Conductor (1)
Lightning-Rod (1)
Like (8)
Like Begat Like (1)
Likelihood (2)
Likeliness (1)
Likely (3)
Likeness (4)
Likewise (2)
Liking (3)
Lily (1)
Limb (3)
Lime (1)
Lime Water (1)
Limestone (2)
Limit (32)
Limitation (7)
Limited (5)
Limiting Factor (1)
Limitless (1)
Lincolnshire (1)
Line (16)
Linear Accelerator (1)
Linen (3)
Liner (1)
Linger (1)
Lingering (1)
Linguist (1)
Linguistic (1)
Linguistics (1)
Link (9)
Linkage (2)
Linnaeus_Carl (1)
Linotype (1)
Lion (3)
Lip (2)
Lip Service (1)
Lips (1)
Liquefaction (1)
Liquid (11)
Liquid Crystal (1)
Liquid Hydrogen (1)
Liquifaction (1)
Liquor (3)
List (2)
Listen (3)
Listening (4)
Literacy (3)
Literal (4)
Literally (1)
Literary (2)
Literary Philosophical Society (1)
Literature (32)
Litharge (1)
Litheness (1)
Lithium (3)
Lithosphere (1)
Litigious (1)
Little (21)
Littre_Alexis (1)
Littre_Emile (1)
Live (13)
Live. (1)
Lived (1)
Livelihood (1)
Lively (2)
Liver (6)
Liverwort (1)
Living (21)
Living Body (1)
Living Room (1)
Living Thing (2)
Livy_Titus (1)
Lizard (3)
Load (2)
Loaded (2)
Loaf (2)
Loafer (2)
Loathsome (1)
Lobby (1)
Lobe (1)
Lobster (2)
Local (1)
Local News (1)
Locality (3)
Localization (2)
Location (1)
Lock (1)
Lockyer_Norman (1)
Locomotive (6)
Locus (1)
Locust (1)
Lodestone (4)
Lodge (1)
Loftiness (1)
Lofty (4)
Log (1)
Logarithm (3)
Logarithmic (1)
Logarithmically (1)
Logic (126)
Logical (3)
Logician (3)
LogiciansDefine (1)
London (4)
Loneliness (1)
Lonely (1)
Long (15)
Long Ago (1)
Long Slip (1)
Long Winded (1)
Long-Range (1)
Long-Term (3)
Long-Winded (1)
Longer (1)
Longing (4)
Longitude (3)
Lonliness (1)
Lonsdaleite (1)
Look (26)
Looking (14)
Loom (3)
Loop (3)
Loose (4)
Loose End (2)
Loosely (1)
Looseness (1)
Loosening (1)
Lord (3)
Lorentz_Konrad (1)
Los Alamos (2)
Lose (6)
Loser (1)
Loss (39)
Lost (10)
Lot (2)
Loud (1)
Loudness (2)
Louis XIV (1)
Louisville (1)
Louse (3)
Love (60)
Loveliness (1)
Lovely (2)
Lover (1)
Low (3)
Lower (7)
Lower Case (1)
Lowered (1)
Lowering (2)
Loyal (2)
Loyalty (2)
Lucidity (2)
Lucifer (1)
Luck (20)
LuckRipe (1)
Lucky (1)
Lueckenfuellung (1)
Luggage (1)
Lukewarm (2)
Lumber (2)
Luminiferous (1)
Luminosity (4)
Luminous (2)
Lump (1)
Lunar (2)
Lunch (1)
Lung (10)
Lung Cancer (3)
Lure (1)
Lurk (1)
Lurking (2)
Lush (1)
Lust (3)
Lustre (1)
Lutetium (1)
Lutheran (1)
Luxurious (1)
Luxury (3)
Lying (4)
Lymphocyte (1)
Lynching (2)
Lysin (1)
Lysis (2)
Lysosyme (1)
Labor (14)
Labor-Saving (1)
Laboratory (69)
Laboratory Notebook (1)
Labour (23)
Labour Party (1)
Laboured (1)
Labourer (2)
Labyrinth (5)
Lack (10)
Lacking (2)
Lactic Acid (2)
Lad (1)
Ladder (3)
Lady (2)
Lady-Bird (1)
Laevo (1)
Laid (1)
Lake (3)
Lake Michigan (1)
Lamb (2)
Lame (1)
Lamely (1)
Lament (1)
Lamentable (2)
Lamentation (1)
Lamp (7)
Land (18)
Landlady (1)
Landmark (2)
Landscape (9)
Language (62)
Lantern (3)
Lanthanum (2)
Lanugauge (1)
Lap (1)
Lard (1)
Large (19)
Large Hadron Collider (6)
LargeGutenberg_Beno (1)
Larger (2)
Larger Picture (1)
Largest (4)
Lark (1)
Larva (4)
Laryngologist (1)
Laser (1)
Lash (1)
Lassitude (1)
Last (9)
Last Thing (1)
Last Word (1)
Last-Born (1)
Lasting (2)
Late (3)
Latency (1)
Lateness (3)
Latent (4)
Latent Heat (4)
Later (3)
Lateral (2)
Latest (1)
Lath (1)
Latin (8)
Latin Proverb (1)
Latitude (1)
Latter (2)
Laugh (5)
Laughing (1)
Laughter (10)
Launch (1)
Laundry (1)
Laureate (1)
Lava (1)
Lavishness (1)
Lavoisier (1)
Law (255)
Law And Order (1)
Law Of Conservation Of Energy (1)
Law Of Gravitation (10)
Law Of Gravity (3)
Law Of Motion (7)
Law Of Nature (27)
Law Of Universal Gravitation (1)
Law Suit (1)
Lawfulness (1)
Lawgiver (1)
Laws Of Motion (3)
Lawyer (12)
Layer (8)
Layman (5)
Laziness (2)
LCD (1)
Lead (30)
Leader (4)
Leadership (1)
Leading (7)
Leading Edge (1)
Leaf (17)
Leaf Cutter (1)
League (1)
Leak (2)
Lean (2)
Leanness (1)
Leap (6)
Lear (1)
Learn (19)
Learned (4)
Learner (1)
Learning (116)
Leased (1)
Least (5)
Leather (1)
Leave (5)
Leaving (3)
Lecherous (1)
Lecture (29)
Lecturer (4)
Led (1)
Leech (2)
Leerstelle (1)
Left (4)
Leg (4)
Legacy (3)
Legal (2)
Legality (1)
Legend (2)
Legerdemain (1)
Legibility (1)
Legion (1)
Legislation (2)
Legislator (1)
Legitimacy (2)
Legitimate (1)
Leibnitz_Gottfried (1)
Leisure (5)
Leitmotif (1)
Lemma (1)
Lemon (1)
Length (5)
Lengthened (1)
Lengthening (1)
Lengthy (1)
Lenin_Vladimir (2)
Lens (8)
Lepidoptology (1)
Leprosy (1)
Less (10)
Lessen (1)
Lessening (1)
Lesson (13)
Let There Be Light (1)
Lethargy (1)
Letter (13)
Lettuce (1)
Leukemia (1)
Leukocyte (2)
Level (15)
Levelling (1)
Lever (6)
Lewd (1)
Lexicographer (1)
Lexicography (1)
Leyden Jar (2)
Liability (3)
Liable (1)
Liar (3)
Liberal (4)
Liberal Arts (1)
Liberalism (2)
Liberate (2)
Liberated (1)
Liberation (2)
Liberator (1)
Liberty (9)
Libido (1)
Library (22)
Lice (1)
License (1)
Lie (20)
Life (407)
Life Cycle (1)
Life-Form (4)
Lifeform (2)
Lifeless (3)
Lifelong (2)
Lifespan (3)
Lifetime (10)
Lifetme (1)
Lift (4)
Lift Off (1)
LiftsNational (1)
Light (107)
Light Bulb (1)
Light Wave (2)
Light Year (1)
Light-Years (1)
Lighter (1)
Lighthouse (3)
Lighting (3)
Lightly (1)
Lightning (16)
Lightning Conductor (1)
Lightning-Rod (1)
Like (8)
Like Begat Like (1)
Likelihood (2)
Likeliness (1)
Likely (3)
Likeness (4)
Likewise (2)
Liking (3)
Lily (1)
Limb (3)
Lime (1)
Lime Water (1)
Limestone (2)
Limit (32)
Limitation (7)
Limited (5)
Limiting Factor (1)
Limitless (1)
Lincolnshire (1)
Line (16)
Linear Accelerator (1)
Linen (3)
Liner (1)
Linger (1)
Lingering (1)
Linguist (1)
Linguistic (1)
Linguistics (1)
Link (9)
Linkage (2)
Linnaeus_Carl (1)
Linotype (1)
Lion (3)
Lip (2)
Lip Service (1)
Lips (1)
Liquefaction (1)
Liquid (11)
Liquid Crystal (1)
Liquid Hydrogen (1)
Liquifaction (1)
Liquor (3)
List (2)
Listen (3)
Listening (4)
Literacy (3)
Literal (4)
Literally (1)
Literary (2)
Literary Philosophical Society (1)
Literature (32)
Litharge (1)
Litheness (1)
Lithium (3)
Lithosphere (1)
Litigious (1)
Little (21)
Littre_Alexis (1)
Littre_Emile (1)
Live (13)
Live. (1)
Lived (1)
Livelihood (1)
Lively (2)
Liver (6)
Liverwort (1)
Living (21)
Living Body (1)
Living Room (1)
Living Thing (2)
Livy_Titus (1)
Lizard (3)
Load (2)
Loaded (2)
Loaf (2)
Loafer (2)
Loathsome (1)
Lobby (1)
Lobe (1)
Lobster (2)
Local (1)
Local News (1)
Locality (3)
Localization (2)
Location (1)
Lock (1)
Lockyer_Norman (1)
Locomotive (6)
Locus (1)
Locust (1)
Lodestone (4)
Lodge (1)
Loftiness (1)
Lofty (4)
Log (1)
Logarithm (3)
Logarithmic (1)
Logarithmically (1)
Logic (126)
Logical (3)
Logician (3)
LogiciansDefine (1)
London (4)
Loneliness (1)
Lonely (1)
Long (15)
Long Ago (1)
Long Slip (1)
Long Winded (1)
Long-Range (1)
Long-Term (3)
Long-Winded (1)
Longer (1)
Longing (4)
Longitude (3)
Lonliness (1)
Lonsdaleite (1)
Look (26)
Looking (14)
Loom (3)
Loop (3)
Loose (4)
Loose End (2)
Loosely (1)
Looseness (1)
Loosening (1)
Lord (3)
Lorentz_Konrad (1)
Los Alamos (2)
Lose (6)
Loser (1)
Loss (39)
Lost (10)
Lot (2)
Loud (1)
Loudness (2)
Louis XIV (1)
Louisville (1)
Louse (3)
Love (60)
Loveliness (1)
Lovely (2)
Lover (1)
Low (3)
Lower (7)
Lower Case (1)
Lowered (1)
Lowering (2)
Loyal (2)
Loyalty (2)
Lucidity (2)
Lucifer (1)
Luck (20)
LuckRipe (1)
Lucky (1)
Lueckenfuellung (1)
Luggage (1)
Lukewarm (2)
Lumber (2)
Luminiferous (1)
Luminosity (4)
Luminous (2)
Lump (1)
Lunar (2)
Lunch (1)
Lung (10)
Lung Cancer (3)
Lure (1)
Lurk (1)
Lurking (2)
Lush (1)
Lust (3)
Lustre (1)
Lutetium (1)
Lutheran (1)
Luxurious (1)
Luxury (3)
Lying (4)
Lymphocyte (1)
Lynching (2)
Lysin (1)
Lysis (2)
Lysosyme (1)
At the heart of science is an essential balance between two seemingly contradictory attitudes--an openness to new ideas, no matter how bizarre or counterintuitive they may be, and the most ruthless skeptical scrutiny of all ideas, old and new. This is how deep truths are winnowed from deep nonsense. -- Carl Sagan