刚的东西容易折断，柔的东西因为可以卷曲所以不易折断。

The distinction between mind and matter applies only to logical constructions out of sense-contents.

"To understand the living, you must commune with the dead."

The purpose of advertising is to sell. It is the only purpose.

量子力学不仅是一种理论，而且是一种关于自然的新思维方式。