What we learn from history is that people don't learn from history.

灵魂不是一种事物，它是一种事物的品质或方面，而事物的品质是最珍贵的。

Efficiency in extraction is meaningless if we don't consider the long-term impact.

重要的不是目的地，而是旅程。

理论必须是美丽的。