The most important property of a program is whether it accomplishes the intention of its user.

理解复利的力量以及获取复利的难度，是理解许多事情的核心所在。

You’ve got to have models in your head. And you’ve got to array your experience—both vicarious and direct—on this latticework of models. You may have noticed students who just try to remember and pound back what is remembered. Well, they fail in school and in life. You’ve got to hang experience on a latticework of models in your mind.

我相信爱的力量。

真相很少是纯粹的，也从不简单。