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.

Adults are always asking little kids what they want to be when they grow up because they're looking for ideas

Adults are always asking little kids what they want to be when they grow up because they're looking for ideas

An idea that is not dangerous is unworthy of being called an idea at all.

An idea that is not dangerous is unworthy of being called an idea at all.

It is not once nor twice but times without number that the same
ideas make their appearance in the read more

It is not once nor twice but times without number that the same
ideas make their appearance in the world.

When ideas fail, words come in very handy.

When ideas fail, words come in very handy.

All great ideas are dangerous.

All great ideas are dangerous.

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.

Certainly, travel is more than the seeing of sights; it is a change that goes on, deep and permanent, in read more

Certainly, travel is more than the seeing of sights; it is a change that goes on, deep and permanent, in the ideas of living.

The most powerful factors in the world are clear ideas in the minds of energetic men of good will.

The most powerful factors in the world are clear ideas in the minds of energetic men of good will.