每個(gè)人都有不為世人所知的秘密悲傷；我們常常稱一個(gè)人冷漠，其實(shí)他只是悲傷。
Safety must always come before production targets.
時(shí)間是最好的老師，但不幸的是，它殺死了所有的學(xué)生。
"The only way to do great work is to love what you do."
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.