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I esteem myself happy to have as great an ally as GALILEO GALILEI Ingersoll i... WILLIAM STEWART ROSS Science would not be what it is if there had not been a NORMAN ROBERT CAMPBELL The funny thing is if in England, you ask a man in the street who the greatest living ERNST W. MAYR ...[T]he three greatest works are those of JOSEPH DEVLIN
Is it possible that the Pentateuch could not have been written by uninspired men? that the assistanc... ROBERT G. INGERSOLL
Raphael paints wisdom, Handel sings it, Phidias carves it, RALPH WALDO EMERSON 
Interviewer: Didn't Saga... ANN DRUYAN
Why should I have to hide the fact that I don't believe there’s a supreme being? There’s no proo... JESSE VENTURA Napoleon, whe...
PIERRE-SIMON LAPLACE We were keeping our eye on 1984. When the year came and the prophecy didn't, thoughtful Americans sa...
NEIL POSTMAN
Not like Homer would I... WILLIAM ALLINGHAM
{Debbs' letter to EUGENE V. DEBS 
I sit with Sha... W.E.B. DU BOIS
The highest court is in the end one’s own conscience and conviction—that goes for you and for 
The only difference between KURT VONNEGUT JR. 
If it were Hegel, I m... ROBERT ANTON WILSON
CARL SAGAN {On to contributions to evolutionary biology of 18th century French scientist, ERNST W. MAYR Why should we place Christ at the top and summit of the human race? Was he kinder, more forgiving, m... ROBERT G. INGERSOLL Willar...
ROBERT ANDREWS MILLIKAN Read Euler, read
As a rule, theologians know nothing of this world, and far less of the next; but they have the power... ROBERT G. INGERSOLL
I have observed, indeed, generally, that while in protestant countries the defections from the Plato... THOMAS JEFFERSON ...and his analysis pro...
W.W. ROUSE BALL In my own field, x-ray crystallography, we used to work out the structure of minerals by various dod...
J.D. BERNAL The genius of Lapla...
AUGUSTUS DE MORGAN
When once we quit the basis of sensation, all is in the wind. To talk of immaterial existence... THOMAS JEFFERSON In 1902, ROBERT K. WILCOX
Tom Paine ha... THOMAS A. EDISON
As you say of yourself, I too am an THOMAS JEFFERSON 
In my opinion, if, as the result of certain combinations, FYODOR DOSTOYEVSKY 
...only one man lived who could understand MURIEL RUKEYSER Some people are slow to do what they promise; SUETONIUS 
With the growth of civilisation in Europe, and with the revival of letters and of science in the fou... THOMAS HENRY HUXLEY
I have always regarded P... THOMAS A. EDISON
Our friend Dirac ha... WOLFGANG ERNST PAULI The pre-Socratic Greek philosopher PHILIP K. DICK
Accordingly, we find Eu... JAMES CLERK MAXWELL His true monument lies...
JOSIAH WILLARD GIBBS {Stockton, a playwright who performed plays about RICHARD F. STOCKTON In the incongruous role of the insurgent party-builder, he made crystal clear the whole host of infe...
STEPHEN SKOWRONEK
Shocked? I consider Bob... WALT WHITMAN
As to the ancient historians, from THOMAS PAINE For these two years I have been gravitating towards THOMAS HENRY HUXLEY I do not think there is a person in this world who has been a more ardent admirer of LUTHER BURBANK 
He was not of an age, but fo... BEN JONSON
When people dis fantasy—mainstream readers and SF readers alike—they are almost always talking a... CHINA MIéVILLE Quantum phenomena do not occur in a ASHER PERES [As a young teenager] ERIC TEMPLE BELL It cannot be denied that he RENé DESCARTES
The name of EUGENE V. DEBS 
When I visited JOSEPH LEWIS He shrank from even the s... MONCURE D. CONWAY
He had all the attributes... THOMAS A. EDISON {Bjørnson on the great BJøRNSTJERNE BJøRNSON
We hold these truths to be self-evident.{Franklin's edit to the assertion in BENJAMIN FRANKLIN
DOROTHY PARKER The year that PYOTR KAPITSA 
I have always been interested in this THOMAS A. EDISON 
Paine was a grand fe... WALT WHITMAN
No institution of learning of JOSEPH LEWIS He had all the a... THOMAS A. EDISON Freedom of speech does not protect you from the consequences of saying stupid shit.
[ JIM C. HINES
One of the bravest, grandest CLARENCE DARROW One night while KLIPH NESTEROFF 
I want to give just a slight indication of the influence the book has had. I knew that CHRISTOPHER HITCHENS 
My atheism, like that of GEORGE SANTAYANA The assumption that D... TIMOTHY MORTON I want to set the record straight."
"The record's never straight, you idiot! Haven't you ever r...
DAVID EDDINGS I published that theory [of speciational evolution] in a 1954 paper…and I clearly related it to pa...
ERNST W. MAYR
The future historian will rank ELIZABETH CADY STANTON What benefit have the Hindus derived from their contact with Christian nations? The idea generally p... VIRCHAND GANDHI
I remember on one of my many visits with JOSEPH LEWIS Alfvén dismiss... HELGE KRAGH
Actual class struggles apart, one of the aesthetic ways you could prove that there was a class syste... CHRISTOPHER HITCHENS
When people dis fantasy—mainstream readers and SF readers alike—they are almost always talking a... CHINA MIéVILLE Every age, and especially our own, stands in need of a JEAN LE ROND D'ALEMBERT
My mind was formed by studying philosophy, WERNER HEISENBERG In 1881, being on a visit to Boston, my wife and I found ourselves in the Parker House with the MONCURE D. CONWAY Mel Brooks KLIPH NESTEROFF Objective truth is difficult to come by, and even if you have it, what you can pass on to the next p... DANIEL ABRAHAM
Lyell and THOMAS HENRY HUXLEY 
Children should be educated and instructed in the principles of freedom. JOHN ADAMS 
All classes in proportion to their lack of travel and familiarity with foreign literature are bellic... GEORGE BERNARD SHAW
Well, I wish some of you would tell me the brand of whiskey that ABRAHAM LINCOLN 
If we {Federalists] must have an enemy at the head of government, let it be one whom we can oppose, ... ALEXANDER HAMILTON Dewar's rule in hi...
KURT MENDELSSOHN
He is a type of our best ... WALT WHITMAN
I never tire of reading ABRAHAM LINCOLN Paine suffered then,... THOMAS A. EDISON
This change in the conception of reality is the most profound and the most fruitful that physics has... ALBERT EINSTEIN
Es gibt keinen Gott und WOLFGANG ERNST PAULI 
{Letter from Fawcett to the great EDGAR FAWCETT 
Hence, what he wants—and it is openly admitted—is to implement nationalistic imperialism with me... WILHELM REICH
John Dalto... ISAAC ASIMOV
[Said during a debate when his opponent asserted that atheism and belief in evolution lead to Naz... CHRISTOPHER HITCHENS
If woman had no existence save in the fiction written by men, one would imagine her a person of the ... VIRGINIA WOOLF
Russia probably knows the true cost of revolutions better than most other countries. 
When Colonel Gadhafi started using his air force against civilians on the ground, we did not hesitat... 
We are categorically against any new military nuclear power, be it Iran, be it North Korea, be it an... 