A mathematician is a device for turning coffee into theorems.
合抱的大树,生长于细小的萌芽
做人的气度要高旷但不可疏漏狂妄;心思要缜密但不可琐碎;趣味要淡但不可枯燥;操守要严明但不可激烈。
The most important thing is to focus on the user and all else will follow.
入门统计学课本一开始讲的几个要点之一,就是相关性不是因果性。这也是最先被忘记的要点之一。