Math is sometimes called the science of patterns.
A lot of the high-level sports are really in your mind.
We will occasionally use this arrow notation unless there is danger of no confusion.
Juggling is sometimes called the art of controlling patterns, controlling patterns in time and space.
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.'