战争不会消灭正直，它反而更需要正直——比和平时期更需要。

In the context of computational learning, the concept of 'probably approximately correct' (PAC) learning provides a framework for understanding the efficiency and feasibility of learning algorithms.

设计应该解决问题，而不是制造新的问题。

All changes, even the most longed for, have their melancholy; for what we leave behind us is a part of ourselves; we must die to one life before we can enter into another.

Willpower is not virtue, but directional detonation of neural impulses.

Train people well enough so they can leave, treat them well enough so they don't want to.

端正其义而不谋求私利，阐明其道而不计较功利。