Mathematics, even in its present and most abstract state, is not detached from life. It is just the ideal handling of the problems of life.

The next-most difficult thing in the world is to get perspective. The most difficult is to keep it.

[The] humanization of mathematical teaching, the bringing of the matter and the spirit of mathematics to bear not merely upon certain fragmentary faculties of the mind, but upon the whole mind, that this is the greatest desideratum is. I assume, beyond dispute.

The pursuit of excellence is the proper vocation of man.