"School of Hard Knocks" Teaches You Nothing More Than How to Take a Punch
Mistakes and failure are the ultimate teachers but the School of Hard Knocks Degree is a truckload of self delusion, friends. Your ability to eat a shit sandwich and not vomit makes you an expert in exactly jackshit except for being expert in being YOU and your poor taste in sandwiches. And, I hate to break it to you but YOU are not representative of any group larger than that mirror self you notice getting older and saggier every day.
How do you want to be defined? By one action? By some opinion that could evolve? By a mistake, regrettable only with hindsight? Or by the sum of your parts? Okay, do that for other people. Start the trend.