化学的故事是人类探索理解世界的故事。
The story of chemistry is the story of humanity’s quest to understand the world.
The purpose of business is to create value, not just to make a profit.
我们不仅仅生产能源，我们创造机会。
A long habit of not thinking a thing wrong gives it a superficial appearance of being right.
实际发展水平与潜在发展水平之间的距离，前者由独立解决问题决定，后者由在成人指导下或与更有能力的同伴合作解决问题决定。