真正的竞争对手从来不是同行，而是用户的旧习惯。

Leadership is about making tough decisions with compassion.

The greatest happiness is to know the source of unhappiness.

The most challenging designs often lead to the most rewarding results.

A life spent making mistakes is not only more honorable, but more useful than a life spent doing nothing.

人类最伟大的能力不是改变世界，而是改变自己。

如果我的世界明天消逝，我会回顾所有我有幸拥有的快乐，兴奋和精彩。不是悲伤，失败或者我父亲的离家而去，而是所有事物愉快的一面，这样就足够了。

热力学第二定律，以克劳修斯给出的形式，告诉我们自然界存在趋向某种我们称之为热平衡状态的倾向。