一个试图教学而不激发学生学习欲望的教师，就像在冷铁上敲打。

The passion for office among members of Congress is very great, if not absolutely disreputable.

We are all born with a certain inheritance of time, and we must learn to spend it wisely.

The brain is a machine assembled not to understand itself, but to survive. It is a machine for making decisions that lead to survival.

政府的腐败几乎总是始于其原则的衰败。

过去从未真正过去，它徘徊在我们生活的角落。

The truth is rarely pure and never simple.

领导力在于让他人因你的存在而变得更好，并确保这种影响在你离开后依然持续。