In mathematics, the journey of discovery is often more rewarding than the destination itself.
War is the father of all, and king of all; and some he has made gods, and some men; some he has made slaves, and some free.
数字时代最危险的不是犯错,而是错过机会。
人们还往往把真理和错误混在一起去教人,而坚持的却是错误。