事实是顽固的东西；无论我们的愿望、倾向或激情的驱使如何，它们都无法改变事实和证据的状态。
Facts are stubborn things; and whatever may be our wishes, our inclinations, or the dictates of our passion, they cannot alter the state of facts and evidence.
有机体不仅学会做什么，还学会什么导致什么。
If we kill off the wild, then we are killing a part of our souls.
The most remarkable development of the last quarter of the twentieth century has been the revelation of enormous weaknesses at the core of the world's seemingly strong dictatorships.
生活是由选择构成的，而每一个选择都是一种放弃。
有时候当你创新时，你会犯错。最好迅速承认错误，然后继续改进你的其他创新。