最好的诗歌是那些为读者留有进入空间的作品。
"The best poems are the ones that leave room for the reader to enter."
"The dead are always with us, and we are always with them."
I don't do things for the response or the controversy. I just live my life.
It is not the criminal things that are hardest to confess， but the ridiculous and shameful things.
数学研究是所有自然现象精确知识不可或缺的基础。