过去是你所记得的,想象你记得的,说服自己记得的,或假装记得的。
年轻人必须为履行生活所赋予他们的职责充实自己,同时要抵制生活的诱惑。
算法的美在于它们能够解决乍一看似乎无法解决的问题。
A thermonuclear war cannot be considered a continuation of politics by other means (according to the formula of Clausewitz). It would be a means of universal suicide.
Mathematics is the art of giving the same name to different things.