对你谈论牺牲的人，谈论的是奴隶和主人。而且他打算成为主人。

When you're young you think you're going to have lots of friends. But as you get older, you realize you can count them on one hand.

I'm not a perfect person, but I try to be better every day.

图式是认知的构建块，组织我们的知识并指导我们的理解。

我对那些人们认为不能用于永久结构的脆弱材料感兴趣。