Leadership is about making tough decisions and standing by them.

The personal example of a teacher is the most useful sunshine that nothing can replace for the soul of young people.

Teach me to love? Go teach thyself more wit,I chief professor am of it，The god of love, if such a thing there be, may learn to love from me.

The individual is reduced to a negligible quantity, perhaps less in his consciousness than in his habits and in the unconscious adjustments of his life.

激情就像疾病：越是与之斗争，它们就越强大。