There's real poetry in the real world. Science is the poetry of reality

A difference of opinion is what makes horse racing and missionaries.

In order to be irreplaceable, one must always be different.

They have formed their own 4-H club - the hopeless, hysterical hypochondriacs of history.

It is a good rule in life never to apologize. The right sort of people do not want apologies, and the wrong sort take a mean advantage of them.

Religion is like a knife: you can either use it to cut bread, or stick in someone's back.

You can't deny laughter; when it comes, it plops down in your favorite chair and stays as long as it wants.

When the student is ready, the teacher will appear.

Certainty? In this world nothing is certain but death and taxes.

The promise given was a necessity of the past: the word broken is a necessity of the present.

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

Go on, get out. Last words are for fools who haven't said enough.

Central banks don't have divine wisdom. They try to do the best analysis they can and must be prepared to stand or fall by the quality of that analysis.

He who surpasses or subdues mankind must look down on the hate of those below.

Liberty, according to my metaphysics is a self-determining power in an intellectual agent. It implies thought and choice and power.

I love deadlines. I like the whooshing sound they make as they fly by.

Your personal nature seeks its paradise.

A great city is the place to escape the true drama of provincial life, and find solace in fantasy.

I can see in your eyes, I can see in your faces, I can see you cry. But what I want to say, there's no reason to cry. Do not, in the name of peace, go in the streets and riot.

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

There is nothing more miserable in the world than to arrive in paradise and look like your passport photo.