The beauty of literature is that it allows us to live multiple lives, to experience different worlds, to feel the emotions of others.

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

宇宙将目光投向一个二维生物，它一生都在为后来成为地球的东西服务，它可以旅行数百万年，并且总是会回到它的起点，它永远不会意识到它上面或下面的是什么。

过去从未消逝，它甚至从未过去。