When ideas fail, words come in very handy.

When ideas fail, words come in very handy.

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.

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

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.

All great ideas are dangerous.

All great ideas are dangerous.

To have a great idea, have a lot of them.

To have a great idea, have a lot of them.

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?

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.

You ask me if I keep a notebook to record my great ideas. I've
only ever had one.

You ask me if I keep a notebook to record my great ideas. I've
only ever had one.