“Some mistakes in life are not punishable, others teach you a lesson you never forget.”
“I can teach you a lesson you won't forget in a hurry”
“Life teach you lessons and those lessons are very painful.”
“Mistakes are always mistakes, Or so I've heard them say...But if it teaches a lesson, The mistake will go away.”
“The bright side of making many silly, stupid, heartbreaking, dreadful mistakes in life is, that when you start sharing the lessons you learned, some may call you 'wise”
“The difference between school and life? In school, you're taught a lesson and then given a test. In life, you're given a test that teaches you a lesson.”