科学的进步不是通过事实的积累,而是通过发现它们之间的新关系。
交换、交易和互换的倾向普遍存在于所有人之中,而在其他动物种族中找不到。
"You can't always get what you want, but sometimes, you get what you need."
I don't care what people say about me. I know who I am.