每个人都对自己的身体拥有所有权，没有人有权支配他，除了他自己。

The self is not so much a substance as a process, and it is the continual task of education to change the process, to develop its activities, and to guide it into channels of efficiency.

Genius without discipline is like a ship without a rudder.

可持续性不仅仅是一种趋势；它是对后代的责任。