最好的性能改进是从非工作状态到工作状态的转变。

——回答清华学生“国民党施行的，是否俄国的主义？”，1924年2月9日

世界是生者的地方，死者在其中没有位置。死者什么都不是。

Color is my day-long obsession, joy and torment.

Sustainability must be at the core of every chemical company’s strategy—it’s no longer optional.

I can never be safe; I always try and go against the grain. As soon as I accomplish one thing, I just set a higher goal. That's how I've gotten to where I am.

Happy the man, and happy he alone, he who can call today his own.

Positive psychology is not just about feeling good, it's about the good life - a life with engagement, meaning, and positive relationships.