教師必須既是學生的研究者，也是學科的研究者。
If knowledge can create problems, it is not through ignorance that we can solve them.
The universe is not only queerer than we suppose, but queerer than we can suppose.
Efficiency is the first virtue of engineers.
A sober looks shows that just have the world gotten to be a better place after all; it is also grown a bit worse at the exact same rate.; a one step up, a one step back sort of cosmic balance between forward progress, and cultural retreat, that puts man kind on a bell curve of existence.
我們都是由我們所失去的和我們所獲得的共同塑造的。