In looking for someone to hire, you look for three qualities: integrity, intelligence, and energy. But the most important is integrity because if they don't have that, the other two qualities, intelligence and energy, are going to kill you.
Development economics is ultimately about improving people's lives.
A good programmer is someone who always looks both ways before crossing a one-way street.
Sometimes you have to lose yourself before you can find yourself.
The ladder of causation has three rungs: seeing, doing, and imagining.