An expert is a person who has made all the mistakes that can be made in a very narrow field.
专家就是在一个非常狭窄的领域里犯了所有可能犯的错误的人。
没有大胆的猜想，就没有伟大的发现。
To understand behavior, we must look at its purpose in the context of survival and adaptation.
"I think people believe in heaven because they don’t like the idea of dying, because they want to carry on living and they don’t like the idea that other people will move into their house and put their things into the rubbish."
Before I came here I was confused about this subject. Having listened to your lecture I am still confused. But on a higher level.
我不需要别人的认可，我知道我是谁。