The past is never dead. It's not even past.

元素可以分为具有相似性质的组。

音乐是我的生活，我的生活是音乐。

Mathematics is not a spectator sport; to understand it, one must engage with it actively.

I don't really care what people say about me. I know who I am.

If you only read the books that everyone else is reading, you can only think what everyone else is thinking.

I don't dream at night. I dream all day. I dream for a living.

You don't have to be a mathematician to have a feel for numbers.