Not necessarily your mother, or indeed mine, but, as it were, the ideal mother, somebody who doesn't care about your achievements. Unfortunately, most people are not our mothers. Most people make a strict correlation between how much time, and if you like, love -- not romantic love, though that may be something -- but love in general, respect --they are willing to accord us, that will be strictly defined by our position in the social hierarchy.

I always try to buy stocks that are undervalued and sell them when they become overvalued.

世人不是都追求荣华的降临吗？应知：在他孜孜以求荣华时，已经蒙受尽人间的奇耻大辱了。世人不是都追求上司的宠幸吗？应知：在他苦苦倚仗宠幸时，已经沦落到人间最卑贱之处了。

保持饥饿，保持愚蠢。

可持续性不是一种选择，而是我们行业未来的必需。

数学的进步是通过它能解决的问题数量来衡量的。