Transcend the individual, pursue the universal.

Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.

Leisure is the mother of philosophy.

成功的秘诀是在你准备好之前就开始行动。

The statesman， who should attempt to direct private people in what manner they ought to employ their capitals， would not only load himself with a most unnecessary attention but assume an authority which could safely be trusted， not only to no single person， but to no council or senate whatever， and which would nowhere be so dangerous as in the hands of a man who had folly and presumption enough to fancy himself fit to exercise it.

Death has its revelations: the great sorrows which open the heart open the mind as well.

To live is the rarest thing in the world. Most people exist, that is all.