“Go back and correct your mistakes. We all make mistakes. The wise person admits them, corrects them, and doesn’t leave them for others to clean up.”

“A man must be big enough to admit his mistakes, smart enough to profit from them, and strong enough to correct them.”

“Only while sleeping one makes no mistakes. Making mistakes is the privilege of the active—of those who can correct their mistakes and put them right.”

“Young people should be permitted to make mistakes. As long as their general orientation is correct, let them make minor mistakes. I believe that they can correct themselves in practical work.”

“These rules are of use only in correcting the figures; since every man makes some mistakes in his first compositions and he who knows them not, cannot amend them. But you, knowing your errors, will correct your works and where you find mistakes amend them, and remember never to fall into them again. But if you try to apply these rules in composition you will never make an end, and will produce confusion in your works.”

“Don't argue for other people's weaknesses. Don't argue for your own. When you make a mistake, admit it, correct it, and learn from it / immediately.”

“If one doesn't know his mistakes, he won't want to correct them.”
Nam qui peccare se nescit, corrigi non vult.

“It took me a long time to learn that mistakes aren't good or bad,
they're just mistakes, and you clean them up and go on.”

“Other kings let their ministers make their mistakes for them, but Louis insisted on making the important mistakes personally.”

“Although we all make mistakes in life, the problems occur when we try to hide our mistakes, to cover them up rather than to learn from them and allow other people to learn from them.”