谦逊是伟大领导者的标志。

We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.

Success is not about how much money you make, it's about the difference you make in people's lives.

In man-machine symbiosis, it is man who must adjust: The machines can't.

给定系统中的酸和碱不是绝对的，而是相互关联的。