心理学的目标是描述经验的结构。

If knowledge can create problems, it is not through ignorance that we can solve them.

应对过去的唯一方法就是直面它。

Handy measure: the distance between your fingertips of your outstretched arms at shoulder level is your height.

哲学上的错误比数学上的错误要严重得多。