数学是一门艺术，作为艺术家，你必须对自己诚实。
Mathematics is an art, and as an artist, you have to be honest with yourself.
"Writing is a way of talking without being interrupted."
过去是幽灵，未来是梦，现在只是转瞬即逝的瞬间。
力量并非来自身体的能力，而是来自不屈的意志。