The study of language is ultimately the study of the human mind.

Stay focused and never lose sight of your goals.

夜晚是一座伟大的城市，但星星是它的灯光。

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.