Ronald Graham

Well, as you know, there are 24 hours in every day. And if that's not enough, you've always got the nights!

It would be very discouraging if somewhere down the line you could ask a computer if the Riemann hypothesis is correct and it said, 'Yes, it is true, but you won't be able to understand the proof.'

Juggling is sometimes called the art of controlling patterns, controlling patterns in time and space.