一本好书应该能让你笑、哭和思考。

"To be useful was the best thing the old men ever hoped for themselves, and to be aimless was their worst fear."

And when they leave,they take your life of details with them. You are expected to move on again, but you don't remember what it was that moved you, because no one's asked you in so long. Not even yourself.

机器人技术的真正力量不仅在于替代人类劳动，还在于增强人类能力。