未来的无人机将像今天的智能手机一样普及。
Drones in the future will be as ubiquitous as smartphones are today.
想像力比知识更重要。因为知识是有限的,而想像力是无限,它包含了一切,推动着进步,是人类进化的源泉。
The only way to end racism is to stop talking about it.