The only way to learn mathematics is to do mathematics.
We don't compete with anyone but ourselves to be the best we can be.
每个人都有一种内在的、与生俱来的自我实现动力。
Getting cheated occasionally is the small price for trusting the best of everyone, because when you trust the best in others, they generally treat you best.
世界是个舞台,但剧本选角很糟糕。