一个（男）人不是为失败而生的。一个人可以被毁灭，但不能被打败。（
The best solutions often come from listening—to nature, to science, and to the people on the ground.
最好的解决方案往往来自于倾听——倾听自然、倾听科学、倾听实地工作者。
Education is not preparation for life;education is life itself.
In peace, sons bury their fathers. In war, fathers bury their sons.
教育是在所学知识被遗忘后仍能留存的东西。