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.

Der Mensch ist ein Wesen, das immer wieder neu anfängt.

无人机行业的发展，最终是为了服务人类，而不是替代人类。

性价比是商业的最高信仰。