遇宠辱而不惊则肝自宁，或动或静只要慎重则心自静，饮食有所节制则脾自安，调节呼吸少言语则肺自保全，淡泊少欲则肾气自足。

We begin with the hypothesis that any subject can be taught effectively in some intellectually honest form to any child at any stage of development.

衡量一家公司成功的真正标准是它如何对待员工和环境。