If quantum mechanics hasn't profoundly shocked you, you haven't understood it yet.

Predictions are hard, especially abot the future.

Anyone who can contemplate quantum mechanics without getting dizzy hasn't understood it.

Every valuable human being must be a radical and a rebel, for what he must aim at is to make things better than they are.

Oh what idiots we have all been, this is just as it must be

All rising curves that show unwelcome trends in human affairs will approach infinity if extended far enough, but it is we who dictate the curve and not vice versa.

If we couldn't laugh at ourselves, that would be the end of everything.