Courage is rightly esteemed the first of human qualities, because it is the quality which guarantees all others.
勇气是人类最重要的一种特质，倘若有了勇气，人类其他的特质自然也就具备了。
Quality should never be compromised for short-term gains.
The only limit to our realization of tomorrow is our doubts of today.
没有功能的设计是艺术，但有功能的设计改变生活。
无人机的未来不是替代人，而是帮助人更好地完成工作。