A happy person is not a person in a certain set of circumstances, but rather a person with a certain set of attitudes.
The mind is a workshop for constructing survival strategies.
The beauty of mathematics is that it is so simple yet so powerful.
写作是我唯一知道的活两次的方式。
Standards are the key to the success of the Internet.
心理学的任务是解释心灵如何服务于生活。
下一个突破不会来自把事情做得更好,而是来自做更好的事情。