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。
The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.
我愿你快乐，即使你的快乐不再是因为我。
无论你多么强大，高尔夫总会找到办法让你谦卑。