Beautiful, Damn Hard, Increasingly Useful.

Clouds Are Not Spheres, Mountains Are Not Cones, Coastlines Are Not Circles, And Bark Is Not Smooth, Nor Does Lightning Travel In A Straight Line.

Order Doesn't Come By Itself.

In Mathematics And Science Definition Are Simple, But Bare-bones. Until You Get To A Problem Which You Understand It Takes Hundreds And Hundreds Of Pages And Years And Years Of Learning.

I Didn't Want To Become A Pure Mathematician, As A Matter Of Fact, My Uncle Was One, So I Knew What The Pure Mathematician Was And I Did Not Want To Be A Pure - I Wanted To Do Something Different.

Now That I Near 80, I Realize With Wistful Pleasure That On Many Occasions I Was 10, 20, 40, Even 50 Years Ahead Of My Time.