积习生常

Explanation: That have long existed, used to. 　　Source: Jin Zuo Si "Ode" Preface: "Ju Fu Yu goblet no when, although the non-use of Po; Chiyan no experience, though not by Li, who did not dare slander pry in terms of its research refined, Di cited as the Charter of the large, Health habits often have unsolicited carry on. " 　　Examples: Xi Wei is not the end of classes, Dynasty Kyosuke Yuanshi; the week ordered, re-enforcement of public authority of Jin. ~, Then that law should be Seoul, Hath the Son of Heaven and man of the three-year-old system of almost. ★ "Zhou Shu Qi Yang Xian-Chuan"