What counts, I found, is not what you cover, but what you uncover. Covering subjects in a class can be a boring exercise, and students feel it. Uncovering the laws of physics and making them see through the equations, on the other hand, demonstrates the process of discovery, with all its newness and excitement, and students love being part of it.
I'm not just an actor born in L. A. I was born in the Griffith Park Hospital. You can't get any more clichéd than that.