They just keep trotting back and forth across the bridge thinking there is something better on the other side. If they'd hang head down at the top of the thing and wait quietly, maybe something good would come along. But no—with men it's rush, rush, rush, every minute. I'm glad I'm a sedentary spider.
你不会忘记那个是你最后希望的人的脸。
质量不是理论;它是一种实践。
物理学的美丽在于它能够用几个简单的方程来描述宇宙。