自由的代价是永恒的警惕。

"I am free, no matter what rules surround me. If I find them tolerable, I tolerate them; if I find them too obnoxious, I break them. I am free because I know that I alone am morally responsible for everything I do."

宇宙是一个相当大的地方。如果只有我们，那似乎是对空间的极大浪费。

最成功的公司是那些倾听客户声音的公司。