“There are no mistakes, only lessons.”
“In life, there are no mistakes, only lessons.”
“Mistakes are a part of being human. Precious life lessons that can only be learned the hard way. Unless it's a fatal mistake, which, at least, others can learn from.”
“One should learn the lessons of history. The mistakes of the past need only be made once. Unless there are no other choices. ~ Bayaz”
“Mistakes are always mistakes, Or so I've heard them say...But if it teaches a lesson, The mistake will go away.”
“The best lessons learned are from other peoples mistakes.”