We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.

The true way to render ourselves happy is to love our work and find in it our pleasure.

译文：做将帅的切勿骄傲自大，如果骄傲自大，待人接物就会有不周道的地方，有失礼之处，一朝失礼就会众叛亲离，人心愤懑相怨。