Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
你是自己生活的艺术家。不要把画笔交给别人。
合作比竞争更重要,生态比单打独斗更有生命力。
The greatest happiness of life is the conviction that we are loved; loved for ourselves, or rather, loved in spite of ourselves.
I'm not a kid anymore, I'm a young man.