数学中最重要的是理解概念，而不仅仅是记忆公式。
The most important thing in mathematics is to understand the concepts, not just to memorize formulas.
Science is not about being right; it’s about being less wrong.
The best stories are those that mix the happiness and sadness of life together in the right proportions.
煤炭的未来不仅仅是开采，而是我们如何负责任地将其融入不断变化的能源格局。
要养活世界，我们必须先理解它。