无人机的核心不是飞得多高，而是用得多好。

The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.

The key to performance is elegance, not battalions of special cases.

The writer cannot be a mere storyteller; he cannot be a mere teacher; he cannot be a mere entertainer. He must be all of these and more.

你人生的热情应该恰到好处；但你的人生目标应该超越自己。为那些远比你更宏大的东西而工作。