An invasion of armies can be resisted, but not an idea whose time has come.

An invasion of armies can be resisted, but not an idea whose time has come.

Often the difference between a successful person and a failure is not one has better abilities or ideas, but the read more

Often the difference between a successful person and a failure is not one has better abilities or ideas, but the courage that one has to bet on one's ideas, to take a calculated risk - and to act.

I can't understand why people are frightened of new ideas. I'm frightened of the old ones.

I can't understand why people are frightened of new ideas. I'm frightened of the old ones.

Ideas are the beginning points of all fortunes.

Ideas are the beginning points of all fortunes.

A healthful hunger for a great idea is the beauty and blessedness of life.

A healthful hunger for a great idea is the beauty and blessedness of life.

If at first the idea is absurd, then there is no hope for it.

If at first the idea is absurd, then there is no hope for it.

A person with a new idea is a crank until the idea succeeds.

A person with a new idea is a crank until the idea succeeds.

If you steal ideas from one source, that's plagiarism, but if you steal ideas from more than one source, that's read more

If you steal ideas from one source, that's plagiarism, but if you steal ideas from more than one source, that's research.

All great ideas are dangerous.

All great ideas are dangerous.