There exists only the present instant... a Now which always and without end is itself new. There is no yesterday nor any tomorrow, but only Now, as it was a thousand years ago and as it will be a thousand years hence.
Growing up in the days when you still had to punch buttons to make a telephone call, I could recall the numbers of all my close friends and family. Today, I'm not sure if I know more than four phone numbers by heart. And that's probably more than most.

