a boaster and a liar are cousins-german.
吹牛与说谎本是同宗。
a bully is always a coward.
色厉内荏。
a burden of one‘s choice is not felt.
爱挑的担子不嫌重。
a candle lights others and consumes itself.
蜡烛照亮别人，却毁灭了自己。
a cat has 9 lives.
猫有九条命。
he is not fit to command others that cannot command himself.
正人先正己。
he is not laughed at that laughs at himself first.
自嘲者不会让人见笑。
he is wise that is honest.
诚实者最明智。
he knows most who speaks least.
大智若愚。
he laughs best who laughs last.
谁笑到最后，谁笑得最好。
he sets the fox to keep the geese.
引狼入室。
he that climbs high falls heavily.
爬得越高，摔得越重。
he that will not work shall not eat.
不劳动者不得食。
he who does not advance loses ground.
逆水行舟，不进则退。
