I don't wait for moods. You accomplish nothing if you do that. Your mind must know it has got to get down to work.

To be a good mathematician, you need to have both intuition and rigor.

心理学理论的价值是由其实用性衡量的。

没有什么比寒冷更灼人。

没有什么比只有一个想法更危险的了。

两点之间最短的距离是直线。

A really well-made buttonhole is the only link between Art and Nature.

The best ideas come from not knowing the answer.

积累千万财富，不如掌握一门小技艺。

真正的林业领导力意味着超越季度报告的思考。

安享晚年的秘诀就是与孤独签订一份体面的协议。