Labour is often the father of pleasure.
［译］勤劳常为快乐之源。
Laugh and grow fat.
［译］心宽则体胖；常笑则多福。
Laughter is the best medicine.
［注解］指心情愉快就会使人忘却了烦恼和忧愁。
［译］心宽则病好。
Let the hands get busy, not the mouth.
［译］手要勤劳，嘴莫多说。
Live as though you intend to live forever, and work as though your strength were limitless.
［译］要这样生活，仿佛你寿命永恒；要这样工作，仿佛你精力无穷。