心理学的研究必须包括对心灵运作环境的研究。

我喜欢简单易懂的东西。

The greatest tragedy is not to die, but to be forgotten.

The past is always tense, the future perfect.

Education begins the gentleman, but reading, good company and reflection must finish him.

Mathematics is not a spectator sport.

The value of a network is proportional to the square of the number of connected users of the system.

成功的关键是走进商店，听听员工们怎么说。让每个人都参与进来是非常重要的。我们最好的想法来自店员和库存员。

"Books are the way that we communicate with the dead. The way that we learn lessons from those who are no longer with us, that humanity has built on itself, progressed, made knowledge incremental rather than something that has to be relearned, over and over."

若是有足够的空间，婴儿会爬行去抓取东西。