It is a great point of wisdom to find out one's own folly.Proverbs and old sayings British about wisdom
The folly of a man is not broadcast like that of a woman.Proverbs and old sayings Cameroonian about woman, man
Do not answer a fool according to his folly, or you will be like him yourself.Proverbs and old sayings Indochinese
If a man has folly in his sleeve, it will be sure to peep out.Proverbs and old sayings Danish about man
It is folly to take a thorn out of another's foot and put it into your own.Proverbs and old sayings Danish
To marry once is a duty, twice a folly, and three times -- madness.Proverbs and old sayings Dutch about duty