教师必须相信学生的潜力。他必须在每个人身上看到神圣之火的火花。

True craftsmanship lies in making the difficult look effortless.

A great biography should be like a portrait that captures both the light and the shadow.

The universe we observe has precisely the properties we should expect if there is, at bottom, no design, no purpose, no evil, no good, nothing but blind, pitiless indifference.