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

——2006年6月15日，盖茨在宣布将退出微软日常管理工作新闻发布会上的发言

自由始终是并且仅仅是持不同思想者的自由。

The night is a great book, but the stars are its letters.