幸福在于成就的喜悦和创造性努力的激动。
Happiness lies in the joy of achievement and the thrill of creative effort.
不理解一个人,就往往会把他当成傻瓜。
The history of philosophy is not, like the history of the sciences, to be considered as a mere chronological record of discoveries and errors. It is the history of the human spirit in its endeavor to understand itself and its relation to the universe.
"The best way to predict the future is to build it."