The molecules that mediate pain are ancient, revealing how deeply rooted this sensation is in evolution.
我是自由的,无论周围有什么规则。如果我觉得它们可以忍受,我就忍受它们;如果我觉得它们太讨厌,我就打破它们。我是自由的,因为我知道只有我自己在道德上对我所做的一切负责。
Every decision we make should reflect our commitment to a healthier planet.
The only person you should try to be better than is the person you were yesterday.
The most important property of a program is whether it accomplishes the intention of its user.