a crab, forsaking the seashore, chose a neighboring green meadow as its feeding ground. a fox came across him, and being very hungry ate him up. just as he was on the point of being eaten, the crab said, "i well deserve my fate, for what business had i on the land, when by my nature and habits i am only adapted for the sea? "

contentment with our lot is an element of happiness.

螃蟹离开海边，到附近的岸上选择了一块草地作为自己的新家。【拾忆文学网移动版】饥肠辘辘的狐狸恰好路过，看到后就一把抓住了螃蟹，想用他来充饥。螃蟹意识到自己命不久矣，哀伤地说:“这真是我应有的报应啊！我为什么要违背大自然的规律，离开海边到不适合我的陆地上生活呢？”

知足者常乐。