There are no dull subjects. There are only dull writers.

The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function.

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。