A good mathematician is someone who can see analogies between theorems; a great mathematician is someone who can see analogies between analogies.
气候研究不仅是一个科学问题,也是一个社会问题。
数学不仅仅是抽象理论的集合,而是描述宇宙的语言。
"The jungle is a place where you can lose yourself and find yourself at the same time."