Profit by the folly of others.
More Dutch Proverbs:
Nobody's sweetheart is ugly.Dutch
The worse the wheel, the more it creaks.
Dutch
Tis a fat bird that bastes itself.
Dutch
He who would gather honey must brave the sting of bees.
Dutch
A guest, like a fish, stinks the third day.
Dutch
The less said the sooner mended.
Dutch