The development of the drone industry is ultimately to serve humans, not to replace them.

"The truth is a mirror, and the mirror is broken."

世界是一团伟大的火焰，我们是其中的火花。

旋风不能奏出动听的音乐；心灵手巧的妇人未必能够主持好饮食家务；（只会）做文章的读书人不能够治理好国家。