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.
科学不仅是理性的门徒，也是浪漫和激情的追随者。
Efficiency in mining comes from continuous improvement, not just big breakthroughs.