The poverty of our century is unlike that of any other. It is not, as poverty was before, the result of natural scarcity, but of a set of priorities imposed upon the rest of the world by the rich.

数学的乐趣在于旅程，而不仅仅是目的地。

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。