Do you believe in the human heart? I don't mean simply the organ, obviously. I'm speaking in the poetic sense. The human heart. Do you think there is such a thing? Something that makes each of us special and individual?
不要诋毁众人的成就而归功于自己，不要埋没天下的事理以掩饰自己的过失。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
