I once tried thinking for an entire day, but I found it less valuable than one moment of study.
XunziThere are successful scholars, public-spirited scholars, upright scholars, cautious scholars, and those who are merely petty men.
XunziMisery is evil; quarreling, a misfortune. There is only one possibility of avoiding both: a clear division of society. [Otherwise] the strong tyrannize the weak, the intelligent frighten the stupid, the inferior resist the superior, and the young mock the old.
Xunzi