Don't tell me the moon is shining; show me the glint of light on broken glass.

Until we're educating every kid in a fantastic way, until every inner city is cleaned up, there is no shortage of things to do.

I feel as if I were a piece in a game of chess, when my opponent says of it: That piece cannot be moved.

The paranoid is never entirely mistaken.

Anyone who attempts to generate random numbers by deterministic means is, of course, living in a state of sin.

It ain't over 'til it's over.

I like to think of myself at home in the armchair, writing, smoking and occasionally wandering down the shop.

He who would accomplish little must sacrifice little; he who would achieve much must sacrifice much; he who would attain highly must sacrifice greatly.

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.

Experience without theory is blind, but theory without experience is mere intellectual play.

I want to go ahead of Father Time with a scythe of my own.

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

I have only ever read one book in my life, and that is White Fang. It's so frightfully good I've never bothered to read another.

After all, science is essentially international, and it is only through lack of the historical sense that national qualities have been attributed to it.

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

Sunlight is painting.

All that spirits desire, spirits attain.

To turn really interesting ideas and fledgling technologies into a company that can continue to innovate for years, it requires a lot of disciplines.

The destruction of the past is perhaps the greatest of all crimes.

Let us try to teach generosity and altruism, because we are born selfish.

The more you like yourself, the less you are like anyone else, which makes you unique.