The spirit of man is an inward flame; a lamp the world blows upon but never puts out.

Anger makes dull men witty, but it keeps them poor.

Being unwanted, unloved, uncared for, forgotten by everybody, I think that is a much greater hunger, a much greater poverty than the person who has nothing to eat.

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

The universe we observe has precisely the properties we should expect if there is, at bottom, no design, no purpose, no evil and no good, nothing but blind pitiless indifference.

If information and knowledge are central to democracy, they are the conditions for development.

No one is useless in this world who lightens the burdens of another.

We are all worms, but I do believe that I am a glow-worm.

I apologize for lying to you. I promise I won't deceive you except in matters of this sort.

I want to put a ding in the universe.

Memories warm you up from the inside. But they also tear you apart.

Words have no power to impress the mind without the exquisite horror of their reality.

Many have had their greatness made for them by their enemies.

There are books of which the backs and covers are by far the best parts.

He who never made a mistake, never made a discovery.

I am dying from the treatment of too many physicians.

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

The dogmas of the quiet past are inadequate to the stormy present. The occasion is piled high with difficulty, and we must rise with the occasion. As our case is new, so we must think anew and act anew.

A toast, Jedediah, to love on my terms. Those are the only terms anybody ever knows - his own.

We all live with the objective of being happy; our lives are all different and yet the same.

Good actions ennoble us, and we are the sons of our deeds.