Kill the goose that laid the golden egg. 杀鸡取蛋。

　　Knowledge is long, life is short. 吾生有涯，而知无涯。

　　Laugh before breakfast you'll cry before supper. 乐极生悲。

　　Law makers should not be law breakers. 正人先正己。

　　Laws catch flies but let hornets go free. 法网只捉苍蝇，不捉黄蜂。

　　Learn to creep before you leap. 循序渐进。

　　Learn to say before you sing. 按部就班。

　　Make hay while the sun shines. 趁热打铁。

　　Make the best of a bad business (or job or bargain) 身处山穷水尽，力争柳暗花明。

　　Man is a tool-using animal. 人是用器之兽。

　　Man is mortal. 人生谁无死。

　　Mills of God grind slowly but sure. 天网恢恢，疏而不漏。

　　Money is the root of all evil. 金钱是万恶之源。

　　Money is the sinews of war. 无钱莫打仗。

　　Money makes the mare to go. 钱可通神。

　　No man (or one) is born wise or learned. 人非生而知之者。

　　No man is content. 人心是不满足的。

　　No man loves his fetters be they made of gold. 即使脚镣黄金铸，无人爱上这刑具。

　　No money, no honey. 没有金钱，就没有爱情。

　　No way is impossible to courage 勇敢面前没有通不过的路。

　　No wisdom like silence. 智者寡言。

　　Now or never. 机不可失，失不再来。

　　Old birds are not caught with new nests. 新巢捉不到老鸟。

　　Old birds are not to be caught with shaft. 老谋是不会失算的。