Music should make you feel something, not just sound pretty.

The mind evolves to meet the challenges of existence.

Hypocrisy is the death of the self.

The beauty of mathematics only shows itself to more patient followers.

He who has no homeland is like a nightingale without a green forest.

The teacher's task is not to implant facts but to place the subject to be learned in front of the learner and, through sympathy, emotion, imagination, and patience, to awaken in the learner the restless drive for answers and insights which enlarge the personal life.

性能的关键在于优雅，而不是一堆特殊情况。