“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.”

“Wise is the one who learns from another´s mistakes. Less wise is the one who learns only from his own mistakes. The fool keeps making the same mistakes again and again and never learns from them.”

“Smart people learn from their mistakes. But the real sharp ones learn from the mistakes of others.”

“While it is wise to learn from experience, it is wiser to learn from the experiences of others.”

“It is better to learn from the mistakes of others than that others should learn from you.”
Te de aliis, quam alios de te suaviu’st.

“Learn from the mistakes of others and avoid being one whose mistakes are used as lessons by others.”

“The quickest way to rectify that mistake (choosing the wrong person) is by learning from that, moving on, and choosing much more wisely in the future.”

“If one cannot learn from the mistakes of others, one might as well become a Democrat.”

“To make no mistakes is not in the power of man; but from their errors and mistakes the wise and good learn wisdom for the future.”

“We learn a lot from the mistakes of others, but even more from our own.”