一个人越是忘记自己——通过投身于一项事业或爱另一个人——他就越是人性化。
The more one forgets himself—by giving himself to a cause to serve or another person to love—the more human he is.
可持续性不再是可选项，而是生存的必需品。
The only way to get rid of a temptation is to yield to it.
Mental processes are the tools by which we build our survival.
