对抗世界的唯一防御是对它的彻底了解。
The only defense against the world is a thorough knowledge of it.
The only way to make sense out of change is to plunge into it, move with it, and join the dance.
在无人机行业，安全永远是第一位的。
Welcome, O life! I go to encounter for the millionth time the reality of experience and to forge in the smithy of my soul the uncreated conscience of my race.