我不缺乏把一个想法彻底思考下去的勇气，到目前为止，我还没有遇到过我害怕的想法。

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.

The true artist is always searching for the meaning of life.

Beware of the Turing tar-pit in which everything is possible but nothing of interest is easy.

一个公司的强大程度取决于它对社区的承诺。

历史是对于未来最好的老师。历史书中的答案价值万金。