I keep thinking about this river somewhere, with the water moving really fast. And these two people in the water, trying to hold onto each other, holding on as hard as they can, but in the end it’s just too much. The current’s too strong. They’ve got to let go, drift apart.

A speculator is a man who observes the future, and acts before it occurs.

The best mathematics is not just correct; it is illuminating.

教育是灵魂的灯塔。