贪心不知足易招侮辱，不如节俭而守廉洁之气。求取功名而冒犯节义，不如节俭而成全节义。巧取豪夺而致积怨，不如节俭而养心性。放纵自己满足欲望，不如节俭而安定性情。

If two people write exactly the same program, each should be put into microcode and then they certainly won't be the same.

Psychology should study how the mind works, not just what it contains.

The function of the artist is to disturb the comfortable and comfort the disturbed.

历史研究不仅关乎过去，也关乎理解现在和塑造未来。