心灵不是要填满的容器，而是要点燃的火焰。
数学的本质不是使简单的事情复杂化，而是使复杂的事情简单化。
"Science is not just a collection of facts; it's a way of thinking, a way of skeptically interrogating the universe with a fine understanding of human fallibility."
The present is the past rolled up for action, and the past is the present unrolled for understanding.
Happiness ain't a thing in itself --- it's only a contrast with something that ain't pleasant. That's all it is.