"Life lessons" aren't formulas and aren't objective, so they don't need to be reconciled. Knowing when and how to apply them takes maturity and life experience.

"Life lessons" aren't formulas and aren't objective, so they don't need to be reconciled. Knowing when and how to apply them takes maturity and life experience. If that wasn't the case, then anyone could read a list of them and be equally enlightened and successful. A counter-example doesn't invalidate advice, or else there would be no legitimate advice.