"A well-written biography is a resurrection of the past."
一部写得很好的传记是对过去的复活。
死者一直在倾听。死者一直在注视。
Perception is not determined simply by stimulus patterns; rather it is a dynamic searching for the best interpretation of the available data.
The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.
数学中最重要的是理解概念，而不仅仅是记忆公式。