Labour is light where love doth pay. 爱情作酬报，劳苦必轻松。
Labour is often the father of pleasure. 勤劳常为快乐之源。
Labour is the capital of our working men. 劳动力是劳动人民的资本。
Lack of knowledge is darker than night. 没有知识比黑夜还要黑。
Late repentance is seldom true. 后悔少有诚意。
Laugh and grow fat. 心宽体胖。
Laugh, and the world laughs with you; weep, and you weep alone. 你笑，人人陪你笑；你哭，惟独你自哭。
Laugh at your ills, And save doctors' bills. 生病不忧虑，节省医药费。
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。
Lawsuits consume time, and money, and rest, and friends. 诉讼将消耗时间、金钱、休息和失去朋友。
Lazy folks take the most pains. 懒汉多吃苦。