My Psychology Belongs To Everyone.

In The Company Of Friends, Writers Can Discuss Their Books, Economists The State Of The Economy, Lawyers Their Latest Cases, And Businessmen Their Latest Acquisitions, But Mathematicians Cannot Discuss Their Mathematics At All. And The More Profound Their Work, The Less Understandable It Is.

There Is No Thing As A Man Who Does Not Create Mathematics And Yet Is A Fine Mathematics Teacher. Textbooks, Course Material-these Do Not Approach In Importance The Communication Of What Mathematics Is Really About, Of Where It Is Going, And Of Where It Currently Stands With Respect To The Specific Branch Of It Being Taught. What Really Matters Is The Communication Of The Spirit Of Mathematics. It Is A Spirit That Is Active Rather Than Contemplative-a Spirit Of Disciplined Search For Adventures Of The Intellect. Only As Adventurer Can Really Tell Of Adventures.

It Is Easy To Believe That Life Is Long And One's Gifts Are Vast -- Easy At The Beginning, That Is. But The Limits Of Life Grow More Evident; It Becomes Clear That Great Work Can Be Done Rarely, If At All.

There Is A Law That Man Should Love His Neighbor As Himself. In A Few Hundred Years It Should Be As Natural To Mankind As Breathing Or The Upright Gait; But If He Does Not Learn It He Must Perish.

The Widespread Belief That Yuppies As A Class Would Perish From Brie-cheese Poisoning Turned Out To Be Over-optimistic.