I have never hesitated about my life in a book, nor have I simply answered people. I will never get tired of it again and again, so the older I get, the more subtle I am.

Wen Zhiming wrote a thousand-character essay, and his calligraphy made rapid progress, writing ten books every day. He never writes carelessly all his life. Sometimes he answers people's letters, which is a bit abnormal. He must have rewritten it three times and five times. Therefore, as he grew older, his calligraphy became more exquisite and ingenious.