Famous Ideas Quotes
The difficulty lies not so much in developing new ideas as in escaping from old ones.
Mankind is not a circle with a single center but an ellipse with two focal points of which facts are one and ideas the other.
One can resist the invasion of an army but one cannot resist the invasion of ideas.
The mind that opens to a new idea never returns to its original size.
Our ideas must be as broad as Nature if they are to interpret Nature.
Pure mathematics is in its way the poetry of logical ideas.
And suddenly, like light in darkness, the real truth broke in upon me; the simple fact of Man, which I had forgotten, which had lain deep buried and out of sight; the idea of community, of unity.
Ideas shape the course of history.
When I am traveling in a carriage, or walking after a good meal, or during the night when I cannot sleep; it is on such occasions that ideas flow best and most abundantly.
Ridicule is the only weapon which can be used against unintelligible propositions. Ideas must be distinct before reason can act upon them; and no man ever had a distinct idea of the trinity. It is the mere Abracadabra of the mountebanks calling themselves the priests of Jesus.
No other question has ever moved so profoundly the spirit of man; no other idea has so fruitfully stimulated his intellect; yet no other concept stands in greater need of clarification than that of the infinite.
He can compress the most words into the smallest ideas of any man I ever met.
An idea, like a ghost, must be spoken to a little before it will explain itself.
An invasion of armies can be resisted, but not an idea whose time has come.
Be less curious about people and more curious about ideas.
Nearly every man who develops an idea works it up to the point where it looks impossible, and then he gets discouraged. That’s not the place to become discouraged.
A person with a new idea is a crank until the idea succeeds.
My idea of an agreeable person is a person who agrees with me.
