数学家研究纯数学不是因为它有用;他研究它是因为他喜欢它,他喜欢它是因为它美丽。
未来取决于你今天做什么。
The more you learn, the more you know. The more you know, the more you forget. The more you forget, the less you know. So why bother to learn?
The greatest mysteries are those we create ourselves.