Thinking is not the ability to manipulate language; it’s the ability to manipulate concepts.

A distributed system is one in which the failure of a computer you didn't even know existed can render your own computer unusable.

Thinking doesn't guarantee that we won't make mistakes. But not thinking guarantees that we will.

When I write a paper, I change my notation much more than I change my concepts.

Formatting is no substitute for writing.

"Sometimes" is sometimes "not never".

Formal mathematics is nature's way of letting you know how sloppyyour mathematics is.

You think you know what you want and how it's all supposed to turn out. When all is said and done, you get what you need. You know in the end that what you need is what you really wanted all along.

Ignoring your intuition telling you this person is not for you will likely lead to more time wasted and more disappointments along the way.

Imagination is intervention, an act of defiance. It alters belief.

Our incomes are like our shoes; if too small, they gall and pinch us; but if too large, they cause us to stumble and to trip.

It's hard not to want to strangle people when you work with them for four years.

They say opposites attract, which is possibly why I am very much attracted to Nicholas Parsons.

The fact is, that civilization requires slaves. Human slavery is wrong, insecure, and demoralizing. On mechanical slavery, on the slavery of the machine, the future of the world depends.

I thought I'd never do film, let alone television. I was a diehard theater nut.

Man is so inconsistent a creature that it is impossible to reason from his beliefs to his conduct, or from one part of his belief to another.

What should we speak of When we are old as you? when we shall hear The rain and wind beat dark December? how, In this our pinching cave, shall we discourse The freezing hours away?