“If one cannot learn from the mistakes of others, one might as well become a Democrat.”
“Smart people learn from their mistakes. But the real sharp ones learn from the mistakes of others.”
“It's said that a wise person learns from his mistakes. A wiser one learns from others' mistakes. But the wisest person of all learns from others's successes.”
“I, too, have made many mistakes, but one valuable lesson that I have learned is that we cannot allow our mistakes to become our identity.”
“If we're going to make mistakes anyway, we might as well learn from them -- "teachable moments".”
“One cannot lead well until one learns to follow well.”