The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.

Your time is limited, so don't waste it living someone else's life.

想象力是对抗现实的唯一武器。

科技领域最大的风险是不冒任何风险。

过去从未死去，它甚至从未过去。