一个力学问题只有被简化为代数问题时才算解决。
一个好的布道是激情对话的一面。
That's the only trouble with being a dog…they never tell you anything.
You don't have to be ruthless to be successful. Kindness and integrity will take you much further.
我们可以断言,没有激情,任何伟大的事业都不能完成。