The beauty of mathematics only shows itself to more patient followers.
You can say so much with pictures that you don't need to say in words.
"The past is never dead. It's not even past."
驯服对我是有好处的,因为麦田的颜色。再回头看那些玫瑰花吧!到时你就明白你的玫瑰花仍是举世无双的一朵花。