在无人机行业，安全永远是第一位的。
In the drone industry, safety always comes first.
The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.
最好的领导者是那些多听少说，并向周围每个人学习的人。
Psychology must study the adaptive functions of thought and behavior.