真正的创新发生在必要性和创造力的交汇处。
Twenty years of romance make a woman look like a ruin; but twenty years of marriage make her look like a public building.
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.