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Scientist Quotations Index for Initial P

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

A scientist quotation page heading may include a link to a short biography of the scientist or description of the event corresponding to a day in Science History.

Heinz R. Pagels
Sir James Paget
Camille Paglia
Thomas Paine
Abraham Pais
William Paley
Bernard Palissy
Pyotr Simon Pallas
Friedrich Adolf Paneth
George N. Papanicolaou
Seymour Papert
Philippus Aureolus Paracelsus
Vilfredo Pareto
Ambroise Paré
Theodore Parker
Charles Henry Parkhurst
Cyril Northcote Parkinson
Talcott Parsons
James Riddick (J. R.) Partington
Blaise Pascal
Louis Pasteur
Coventry Kersey Dighton Patmore
Mark Pattison
George S. Patton
Ava Helen Pauling
Linus Pauling
Wolfgang Pauli
Saint Paul
Ivan Petrovich Pavlov
Sir Joseph Paxton
Rembrandt Peale
Giuseppe Peano
Karl Pearson
Benjamin Peirce
Charles Sanders Peirce
Edmund D. Pellegrino
Pierre-Joseph Pelletier
Henry Pemberton
Marzari Giuseppe Pencati
Isaac Penington
Granville Penn
Sir Roger Penrose
Samuel Pepys
Daniel Anthony Perasa
Sir William Perkin
Martin Lewis Perl
Claude Perrault
Jean Perrin
Ralph Barton Perry
Max Ferdinand Perutz
James A. Peters
Henry Petroski
Christoph Heinrich Pfaff
Carl Pfeufer
Philemon
Prince Philip Mountbatten
John Phillips
Melba Newell Phillips
Sir Richard Phillips
Eden Phillpotts
Jean Piaget
Jean Picard
Pablo Picasso
Edward Charles Pickering
Marc-Auguste Pictet
Raymond T. Pierrehumbert
Sir Alastair Pilkington
Gifford Pinchot
Pindar
Luigi Pirandello
Norman Wingate Pirie
Baron Clemens von Pirquet
Robert Pirsig
Bartholomeo Pitiscus
Augustus Henry Lane-Fox Pitt-Rivers
Pope Pius XI
George Placzek
James Robinson Planché
Max Planck
Plato
Robert Platt (Lord Platt of Grindleford)
John Playfair
Lyon Playfair (Baron Playfair of St Andrew)
William Playfair
Pliny the Elder
Mark J. Plotkin
Noel-Antoine Pluche
John Harold Plumb
Edgar Allan Poe
Frederik Pohl
Henri Poincaré
Siméon-Denis Poisson
John C. Polanyi
Michael Polanyi
John Charlton Polkinghorne
Marcus Vitrivius Pollio
Marco Polo
George Pólya
Jean-Victor Poncelet
Charles Poore
Charles Lane Poor
Alexander Pope
Karl Raimund Popper
Cole Porter
Sir George Porter
Noah Porter
Sandra Postel
Neil Postman
Ezra Loomis Pound
Colin L. Powell
Winthrop Praed
Terry Pratchett
Frank Press
Joseph Prestwich
Derek J. de Solla Price
Don (Krasher) Price
John Boynton (J. B.) Priestley
Joseph Priestley
Matthew Prior
George Prochaska
Proclus
Protagoras
Marcel Proust
William Prout
Chinese Proverb
English Proverb
Italian Proverb
Jewish Proverb
Roumainan Proverb
Scottish Proverb
Spanish Proverb
Welsh Proverb
Ptolemy
Emerson M. Pugh
Philip Pullman
Reginald C. Punnett
Michael Idvorsky Pupin
Hilary Putnam
Thomas Pynchon
Pythagoras

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

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