Peter Norvig's quotes page

I very much like these quotes from Peter Norvig's quotes page:

Far and away the best prize life has to offer is the chance to work hard at work worth doing.
- Theodore Roosevelt

A great many people think they are thinking when they are merely rearranging their prejudices.
- William James

It is the mark of an educated mind to be able to entertain a thought without accepting it.
- Aristotle

I don't see any god up here.
- Yuri Gagarin (in orbit, 1961)

The world has arrived at an age of cheap complex devices of great reliability; and something is bound to come of it.
- Vannevar Bush (1945)

Power corrupts, and obsolete power corrupts obsoletely.
- Ted Nelson, on the Microsoft DOS operating system

He who refuses to do arithmetic is doomed to talk nonsense.
- John McCarthy

Belief is no substitute for arithmetic.
- Henry Spencer

Errors using inadequate data are much less than those using no data at all.
- Charles Babbage

In the future, search engines should be as useful as HAL in the movie 2001: A Space Odyssey--but hopefully they won't kill people.
- Sergey Brin

Doubt is not a pleasant condition, but certainty is an absurd one.
- Voltaire

I have often thought that if there had been a good rap group in those days, I might have chosen a career in music instead of politics.
- Richard Nixon

If I have made myself clear, you must have misunderstood me.
- Alan Greenspan

In the End, we will remember not the words of our enemies, but the silence of our friends.
- Martin Luther King Jr.