人们并不愚蠢。他们知道如何从观察到的事物中推断出结论。

任何圆的周长与其直径的比率小于3 1/7但大于3 10/71。

"In every character, there is a piece of the actor's soul."

The environment is not a mosaic of stimuli, but a field of forces in which every part is dynamically related to every other part.

数学之美在于它能够连接看似无关的思想。