知足者常乐。
count one's chickens before they are hatched.
蛋未孵先数雏。
courtesy on one side only lasts not long.
来而不往非礼也。
creep before you walk.
循序渐进。
cry for the moon.
海底捞月。
custom is a second nature.
习惯是后天养成的。
custom makes all things easy.
有个好习惯，事事皆不难。
diamond cuts diamond.
强中自有强中手。
do as the romans do.
入乡随俗。
