洁身自好（潔身自好）　

◎ 洁身自好 jiéshēn-zìhào

(1) [lead an honest and clean life;refuse to be contaminated by evil influence]∶維護本身的純洁清廉,而不隨波逐流、趨炎附勢

人洁己以進。與其洁也,不保其往也。——《論語》

(2) [mind one‘s own business in order to keep out of trouble]∶指衹顧惜自己,不管他人的事