小心你讨厌的人,可能是你某天必须合作的对象。
我们大多数人都不是为了理解而听。我们是为了回应而听。
想走得快,就独自前行;想走得远,就结伴同行。
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.