世界是一个非常令人困惑的地方，能够思考它是一种巨大的特权。
"The world is a very puzzling place, and it is a great privilege to be able to think about it."
我从不后悔生命中做过的任何事或任何选择，但我对那些没做过的事充满遗憾。
行为由当前刺激情境和过去的强化历史决定。
True growth comes from understanding the land and working with it, not against it.
学习新编程语言的最好方法是用它编写程序。