用谦虚培养自己的品质，用修德提高自己的思想，用仁爱对待天下万物，用道德教诲子孙后代。

过去是一个陌生的国度；那里的人做事方式不同。

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

Every saint has a past, and every sinner has a future.

科学的乐趣在于旅程，而不仅仅是终点。