The Quotes canon

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It is more important that a proposition be interesting than that it be true…But of course a true proposition is more apt to be interesting than a false one. — Alfred North Whitehead · 1933
Cobb1 quote
An idea is like a virus. Resilient. Highly contagious and the smallest seed of an idea can grow. It can grow to define or destroy you. — Cobb · 2010
No idea is so antiquated that it was not once modern. No idea is so modern that it will not someday be antiquated. — Ellen Glasgow · 1936
The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function. — F. Scott Fitzgerald · 1936
No matter what anybody tells you, words and ideas can change the world. — John Keating · 1989
Ideas are like rabbits. You get a couple and learn how to handle them, and pretty soon you have a dozen. — John Steinbeck · 1947
Karl Marx1 quote
The ruling ideas of each age have ever been the ideas of its ruling class. — Karl Marx · 1848
The tools of conquest do not necessarily come with bombs and explosions and fallout. There are weapons that are simply thoughts, attitudes, prejudices to be found only in the minds of men. — Narrator (Twilight Zone) · 1960
A man is not necessarily intelligent because he has plenty of ideas, any more than he is a good general because he has plenty of soldiers. — Nicolas Chamfort · 1796
Every now and then a man's mind is stretched by a new idea or sensation, and never shrinks back to its former dimensions. — Oliver Wendell Holmes · 1831
R.D. Laing1 quote
Madness need not be all breakdown. It may also be break-through. — R.D. Laing · 1967
Seneca1 quote
The best ideas are common property. — Seneca · 65
Information almost wants to be free. — Stewart Brand · 1984
It is the customary fate of new truths to begin as heresies and to end as superstitions. — T.H. Huxley · 1880