We are just beginning to scratch the surface of what robots can do.
我们才刚刚开始触及机器人能力的表面。
我唯一知道的是我一无所知。
Change will not come if we wait for some other person or some other time. We are the ones we've been waiting for. We are the change that we seek.
不追求大道而走出迷途，即使有贤才也算不上真正的男子汉。
自由民主的传播伴随着全球文化的传播，这种文化越来越同质化。