The essence of being human is that one does not seek perfection.

每一次技术的应用，都要以可持续为前提。

Failure is instructive. The person who really thinks learns quite as much from his failures as from his successes.

寻求高效算法的旅程是穿越数学可能性景观的旅程。

幽默是与孩子建立联系的最佳方式。