Drones in the future will be as ubiquitous as smartphones are today.

最伟大的战斗不是用武器进行的，而是用思想进行的。

If the people cannot trust their government to do the job for which it exists - to protect them and to promote their common welfare - all else is lost.

Life is measured by thought and action，not by time.

阅读的快乐在于发现你并不孤单。