In the short-run, the market is a voting machine - reflecting a voter-registration test that requires only money, not intelligence or emotional stability - but in the long- run, the market is a weighing machine.
I like to think of myself as a very passionate person, and as very determined. So, if I set my mind on something, I definitely stop at no end to find within myself the power to keep going, whether that involves thinking of a new approach to a problem, or physically challenging myself.