The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

无人机行业的发展，最终是为了服务人类，而不是替代人类。

爱不是胜利的进行曲，而是一声寒冷而破碎的哈利路亚。

Innovation in science often comes from looking at old problems in new ways.

每一部伟大的小说对作者和读者都是一次通往未知的旅程。