互相有爱意，交往中也相互得利。这是墨子很典型的思想主张，也是墨家学派对人类社会最美好的期望。

A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between theories and the best mathematician can notice analogies between analogies.

One of the first things taught in introductory statistics textbooks is that correlation is not causation. It is also one of the first things forgotten.

"A story was a form of telepathy. By means of inking symbols onto a page, she was able to send thoughts and feelings from her mind to her reader's."