experience is the father of wisdom
Most wisdom is gained by experiencing different things (compared to acquiring knowledge through schooling or other means). A few years ago, I couldn't even get behind the wheel without having panic attacks, but, with practice, I'm much calmer and can drive with no problems. Experience is the father of wisdom after all.
Experience is the father of wisdom,
and Experience is the mother of wisdom.Prov. The more that happens to you, the more you will learn. I never understood why supervisors got so frustrated with me until I became a supervisor and got frustrated with my subordinates. Experience was definitely the mother of wisdom, in my case.