Success is not final, failure is not fatal: it is the courage to continue that counts.

And when two such people encounter each other, and their eyes meet, the past and the future become unimportant. There is only that moment, and the incredible certainty that everything under the sun has been written by one hand only. It is the hand that evokes love, and creates a twin soul for every person in the world. Without such love, one's dreams would have no meaning.

Art should be about asking questions, not giving answers.

Reflect upon your present blessings, of which every man has plenty; not on your past misfortunes, of which all men have some.

管理复杂性的关键在于关注组件之间的接口，而不是它们的实现。