做好研究的秘诀是始终保持轻微的工作不足状态。因为无法浪费几个小时，你可能会浪费数年时间。

When we are planning for posterity， we ought to remember that virtue is not hereditary.

They are not monuments, but footprints. A monument only says, 'At least I got this far,' while a footprint says, 'This is where I was when I moved again.'

文章以气势为主，气势的清新或浑浊有其内在规律，不能勉强达到。

All that is in motion must be at peace； it is not what is at rest that should be considered peaceful.

All complex behavior can be reduced to simpler stimulus-response units.