Memory... is an internal rumour.

Sanity is a madness put to good uses.

External nature is only internal nature writ large.

A scientific man ought to have no wishes, no affections, - a mere heart of stone.

Courage is being scared to death... and saddling up anyway.

Comedy is acting out optimism.

I have noticed even people who claim everything is predestined, and that we can do nothing to change it, look before they cross the road.

How lucky I am to have something that makes saying goodbye so hard.

Self-esteem comes from being able to define the world in your own terms and refusing to abide by the judgments of others.

I will not let anyone walk through my mind with their dirty feet.

A mediocre idea that generates enthusiasm will go further than a great idea that inspires no one.

I don't say we all ought to misbehave, but we ought to look as if we could.

No man for any considerable period can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.

I've been looking for a girl like you - not you, but a girl like you.

Wisely, and slow. They stumble that run fast.

A hero cannot be a hero unless in a heroic world.

I am not ashamed to confess that I am ignorant of what I do not know.

For a moment, nothing happened. Then, after a second or so, nothing continued to happen.

The speed of the leader is the speed of the gang.

Genius is one percent inspiration and ninety-nine percent perspiration.

You hear a lot of dialogue on the death of the American family. Families aren't dying. They're merging into big conglomerates.