Famous Ideas Quotes
Architecture has recorded the great ideas of the human race. Not only every religious symbol, but every human thought has its page in that vast book.
One can resist the invasion of an army but one cannot resist the invasion of ideas.
Our ideas must be as broad as Nature if they are to interpret Nature.
The difficulty lies not so much in developing new ideas as in escaping from old ones.
The mind that opens to a new idea never returns to its original size.
Ideas shape the course of history.
Pure mathematics is in its way the poetry of logical ideas.
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.
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.
He can compress the most words into the smallest ideas of any man I ever met.
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.
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.
An idea, like a ghost, must be spoken to a little before it will explain itself.
Be less curious about people and more curious about ideas.
An invasion of armies can be resisted, but not an idea whose time has come.
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.
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.
No grand idea was ever born in a conference, but a lot of foolish ideas have died there.
The difficulty lies, not in the new ideas, but in escaping the old ones, which ramify, for those brought up as most of us have been, into every corner of our minds.
