Cf: By others' faults wise men correct their own (Am., Br.). The folly of one man is the fortune of another (Am., Br.). From errors of others a wise man corrects his own (Am.). Learn from the mistakes of others (Am., Br.). Learn wisdom by the follies of others (Am., Br.). One man's fault is another man's lesson (Br.). Profit by the experience of others Br.). Profit by the folly of others (Am.)
Русско-английский словарь пословиц и поговорок. Академик.ру. 2013.