I think prime numbers are like life. They are very logical but you could never work out the rules, even if you spent all your time thinking about them. Mark Haddon -The Curious Incident of the Dog in the Night
Why is it that the great ideas often come when you wake in the middle of the night? They are like a dog's wet nose - surprising, annoying, but a reminder that you are alive.
Like prime numbers, the midnight ideas have an arcane set of rules that do not require a detailed understanding for everyday use. All you have to do is write them down. It's as easy as ABC - or is that 1,2,3?