Live as though you intend to live forever，and work as though your strength were limitless.

The most dangerous poison is the feeling of achievement. The antidote is to think every evening what can be done better tomorrow.

解释：脚力不强劲，行程就不会远；刀刃不锋利，割东西就不会深。

记忆是对幸存者的一种惩罚。

软件开发中最重要的一个方面是明确你试图构建什么。

We change our behavior when the pain of staying the same becomes greater than the pain of changing.

Never risk more than you can afford to lose.

教师必须具有健康的体魄，农人的身手，科学的头脑，艺术的兴味，改革社会的精神。

年轻时你以为会有很多朋友。但随着年龄增长，你意识到一只手就能数得过来。