生命太短暂，不要把时间浪费在无关紧要的事情上。

The test of a psychological theory is its applicability to life.

解释：神态傲慢，谁还愿意和你相处呢？最洁白的东西好像十分黑暗，最道德的人好像有所不足。

A creative man is motivated by the desire to achieve, not by the desire to beat others.

The future of life on Earth depends on our ability to take action. Many individuals are doing what they can, but real success can only come if there is a change in our societies and our economics and in our politics.

我们不是以孤立的想法思考，而是以持续的目的导向活动流思考。