The Enchiridion

Men are disturbed not by things, but by the views which they take of things.

使人烦恼的不是事情本身，而是人们对事情的看法。

Sickness is an impediment to the body, but not to the will unless itself pleases.

疾病妨碍身体，却不能妨碍意志，除非意志自己愿意。