Don’t tell me how good you make it; tell me how good it makes me when I use it.

The most powerful tool in business is a simple idea executed well.

我们每天支配的时间是有弹性的；我们感受到的激情会扩展它，我们激发的激情会收缩它；而习惯会填补剩下的部分。

In my country we go to prison first and then become President.

The true challenge in mathematics is not solving problems, but asking the right questions.

翻译：如果士卒还未真心拥护就施加刑罚，他们就不服，不服就难以使用；如果士卒已经真心拥护了还不施加刑罚，也不可用。