1985年2月的一次演讲时所说
精神是穿透生命本身的生命;它以燃烧在灵魂中的火焰为食。
Why does a person own a dog?”“For security, I guess...For the security of knowing that there's at least one creature in the world who likes you.
"You don't have to understand everything to love it."
The art of invention consists in finding out the causes of known effects.