把自己的精神,培养得清净明澈;把自己的思想,澄清专一;把自己的胆识,培养得深沉敏捷;把自己的气魄,培养得坚强宏大;把自己的才干,培养得果敢决断;把自己的器量,培养得端正庄重;把自己的胸襟,培养得豁达宽容;把自己的节操,培养得严肃冷峻。
Drones are not toys, but tools to transform industries.
One of the greatest ways to avoid trouble is to keep it simple...the system often goes out of control.