The dead are the most persistent historians.

Anything truly novel is invented only during one’s youth， later one becomes more experienced more famous， and more blockheaded.

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.

释义：脸上没有愤怒的表情是对他人的尊重，嘴里不说愤怒的话会散发出美好的气息。心中没有愤怒是无价的宝藏，这种心态是永恒不变的真理。

技术应该是包容的工具，而不是排斥的工具。