I agree, rivalry is an incredibly powerful motivator. I don't have a "rival" in the same sense as Jobs and Gates, but I like to think of myself as the rival of myself - I'm constantly working to "beat" myself and be better today than I was yesterday - I think this is the type of mindset that successful people like to carry, they like to constantly improve and move the needle closer into the direction of the future they imagine.

Haha, yes! I was also surprised by the fact that he couldn't program!