A man of genius makes no mistakes. His errors are volitional and are the portals of discovery.
“拙”可以使人少过错，“缓”可使人免后悔，“退”可远离灾祸，“苟”可使人养福，“静”可使人长寿。
我们必须为未来设计，同时尊重过去。
Pleasure is the greatest good, and we should seek it and avoid pain.
"A personality is a full congress of orators and pressure groups, of children, demagogues, communists, isolationists, war mongers, mugwumps, grafters, prayer-makers, adventurers and clerks; with each of these in a minority of one."