It is by acts, and not by ideas that people live.

It is by acts, and not by ideas that people live.

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.

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.

It is better to entertain an idea than to take it home to live
with you for the rest read more

It is better to entertain an idea than to take it home to live
with you for the rest of your life.

We often refuse to accept an idea merely because the tone of voice in which it has been expressed is read more

We often refuse to accept an idea merely because the tone of voice in which it has been expressed is unsympathetic to us.

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.

We don't let them have ideas. Why would we let them have guns?

We don't let them have ideas. Why would we let them have guns?

The concept is interesting and well-formed, but in order to earn
better than a 'C', the idea must be read more

The concept is interesting and well-formed, but in order to earn
better than a 'C', the idea must be feasible.

Nothing is more dangerous than an idea, when a man has only one
idea.

Nothing is more dangerous than an idea, when a man has only one
idea.