The people who were trying to make this world worse are not taking the day off. Why should I?
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.
在写作的过程中，我们面对自己最深的恐惧和欲望。
The best way to predict the future is to invent it.
Make women rational creatures, and free citizens, and they will quickly become good wives, and mothers; that is, if men do not neglect the duties of husbands and fathers.