Play Is A Child's Work

We Are Not Determined By Our Experiences, But Are Self-determined By The Meaning We Give To Them; And When We Take Particular Experiences As The Basis For Our Future Life, We Are Almost Certain To Be Misguided To Some Degree. Meanings Are Not Determined By Situations. We Determine Ourselves By The Meanings We Ascribe To Situations.

The Mathematical Life Of A Mathematician Is Short. Work Rarely Improves After The Age Of Twenty-five Or Thirty. If Little Has Been Accomplished By Then, Little Will Ever Be Accomplished.

It Is Always Easier To Fight For One's Principles Than To Live Up To Them.

Each Generation Has Its Few Great Mathematicians, And Mathematics Would Not Even Notice The Absence Of The Others. They Are Useful As Teachers, And Their Research Harms No One, But It Is Of No Importance At All. A Mathematician Is Great Or He Is Nothing.

Every Neurotic Is Partly In The Right.