If a machine is expected to be infallible, it cannot also be intelligent.

Sometimes it is the people no one imagines anything of who do the things that no one can imagine.

One day ladies will take their computers for walks in the park and tell each other, "My little computer said such a funny thing this morning".

Mathematical reasoning may be regarded.

We can only see a short distance ahead, but we can see plenty there that needs to be done.

A computer would deserve to be called intelligent if it could deceive a human into believing that it was human.

Programming is a skill best acquired by practice and example rather than from books.

A man provided with paper, pencil, and rubber, and subject to strict discipline, is in effect a universal machine.

Science is a differential equation. Religion is a boundary condition.

Codes are a puzzle. A game, just like any other game.

No, I'm not interested in developing a powerful brain.

Dare to stretch hard and make it a point to do the hard thing others are afraid to try.

If the pursuit of peace is both old and new it is also both complicated and simple. It is complicated for it has to do with people and nothing in this universe baffles man as much as man himself.

If a free society cannot help the many who are poor, it cannot save the few who are rich.

I am just a person who can't skate in the mountains

Popularity, I have always thought, may aptly be compared to a coquette - the more you woo her, the more apt is she to elude your embrace.

Every relationship is a gift exchange.

Where to start? Everything cracks and shakes, The air trembles with similes, No one world's better than another; the earth moans with metaphors.

Faith is only as valid as its object. You could have tremendous faith in very thin ice and drown. . . . You could have very little faith in very thick ice and be perfectly secure.

I want to be a man who mixes strengths and compassion. That's my magic elixir, so to speak.

People are the most fascinating mysteries I've ever read.