Quality is never an accident; it's the result of intelligent effort and relentless focus.

The more you try to be happy, the more unhappy you become.

The key to solving complex problems is often to find the right abstraction that simplifies the problem without losing its essential features.

和气地待人就不会有不顺心；以公正之气对待事物，一切不祥之事都会消失；以浩然之气处理事情，疑难、畏惧则会释然而解；以宁静之气修养身体则睡梦中也安适。

东西方文化的融合不仅是可能的，而且对人类进步是必要的。