I must create a system, or be enslaved by another man's.
Computer Science is no more about computers than astronomy is about telescopes.
Worrying about them always struck me as about as useful as worrying about getting hit by lightning.
We think in generalities, but we live in detail.
The meeting of two personalities is like the contact of two chemical substances: if there is any reaction, both are transformed.
Silent gratitude isn't much use to anyone.
In the right light, at the right time, everything is extraordinary.