Health is not a privilege of the rich, but a vulnerability of the poor.

We're not a punk band, we're not a pop band, we're U2.

不要因为它结束了而哭泣，要因为它发生过而微笑。

The purpose of morality is to teach you, not to suffer and die, but to enjoy yourself and live.

The price of success is hard work, dedication to the job at hand, and the determination that whether we win or lose, we have applied the best of ourselves to the task at hand.

数学的目标是以更深的方式理解宇宙。