最好的投资不是技术，而是技术背后的人。

The merit of Marx is that he suddenly produces a qualitative change in the history of social thought. He interprets history, understands its dynamic, predicts the future, but in addition to predicting it, he expresses a revolutionary concept: the world must not only be interpreted, it must be transformed.

Words are the bridges that connect the hearts of strangers.

科学的进步不仅通过知识的积累来衡量，还通过提出新问题的能力来衡量。