The nugget was this:

> But then I took a calculus class — and it rocked my world. The lecturer really took the time to explain deep concepts and helped me see the intrinsic beauty. Today, when I explain some of the concepts I learned back then, I still call upon the way it was explained to me all those years ago.

We say we want kids to find their passion and interest. But, in many cases, the passion / interest is created by accident or serendipity. You can love a lot of topics if they are explained very well and in an interesting manner.