At college age, you can tell who is best at taking tests and going to school, but you can't tell who the best people are. That worries the hell out of me. ↗
I had the good fortune of speaking with Orson Wells many decades ago and he said 'Success is primarily luck anyway.' And I have been very lucky. Of course, Orson Wells was enormously talented and brilliant - so who am I to argue with him! ↗