道理明白则文辞畅达，气势充沛则言辞得当。
I'm very proud to be black, but black is not all I am. That's my cultural historical background, my genetic makeup, but it's not all of who I am nor is it the basis from which I answer every question.
The more you look, the more you see. The more you see, the more there is to see.
If you can imagine a society in which the computer- robot is the only menial, you can imagine anything.
保持进步的唯一方法就是保持渴望。
沙漠教会耐心；河流教会变化。