This CNBC video from Friday is worth your time. Not for the heated exchange, but because it can teach us about self-awareness, self-control, and being a grownup.

I used to be the guy who yelled and acted like an ass (Rick Santelli). For the record, he apologized. I have always loved Andrew Ross Sorkin. He has opinions. He’s clearly passionate. But he carries himself well.

Learning how to moderate yourself is a sign of growth. It’s shocking that so many grown men do not understand the value of restraint. Often, the most convincing argument you can make is the one you don’t make at all. Or the one you make quietly, respectfully, and with humility.