Security in the digital world is not just about keeping secrets, but also about ensuring integrity and availability.

We kid ourselves if we think that the ratio of procedure to data in an active data-base system can be made arbitrarily small or even kept small.

局部和全局现象之间的相互作用是数论中反复出现的主题。

译文：人人都希望自己能说会道，可苏秦却因为能言善辩被车裂而死；人人都想家财万贯，可石崇却因为富可敌国而遭人诬陷杀害。赏析：说话口不择言，祸就会从口出，言多必有失。拥有富贵荣华，锦衣玉食，未尝不是好事，但也要走正道，低调做人，切不可因为财大气粗，不可一世就断送自己的前程或性命。

艺术是探索未知的一种方式。