Every man carries Two Wallets, one before and one behind, and both full of faults. But the one before is full of his neighbor’s faults; the one behind, of his own. Thus it happens that men are blind to their own faults, but never lose sight of their neighbor’s.
追问我要的是two wallets用“只看到别人的缺点，而看不到自己的缺点”这个意思来造句，而不是它的典故……