机器人是一种被编程执行多种任务的设备，并且可以重新编程以执行其他任务。

I’m here. I’m not going anywhere. No matter what the injury – unless it’s completely debilitating – I’m going to be the same player I’ve always been. I’ll figure it out. I’ll make some tweaks, some changes, but I’m still coming.

Music is the language that transcends all barriers.

The answers you get depend on the questions you ask.

科学中最重要的不是获得新的事实，而是发现思考它们的新方法。

Perception is the result of the activity of the five senses; through sensation, we come to know the world.

Patience is key in observational astronomy—some discoveries take decades to confirm.