My focus is not on solving nature's deeper mysteries. It is on using nature's deeper mysteries to solve important societal problems.
Aid can work where there is good governance, and usually fails where governments are unable or unwilling to commit aid to improve the lives of their people.
I'm a very lazy person by nature. I have to be really engaged, and then I go straight from lazy to obsessive. I couldn't study chemistry, but I could memorize all the books for Dungeons and Dragons. It was ridiculous. The trick is to find what I like to do.

