在数学中，提出问题的艺术必须比解决问题更有价值。
In mathematics, the art of proposing a question must be held of higher value than solving it.
礼义廉耻，可以用来要求自己，不可用来要求别人。要求自己则能少犯过失，要求别人则难以与人和睦相处，难以与他人相处就不合乎处世之道。所以君子只严格要求自己，小人则对别人求全责备。
跟一个人相处了两个星期，不可能就此了解他究竟是怎样一个人。不过，要是我们不去尝试尝试，别人可少不了要尝试的。
Art is a way of connecting with people you’ll never meet.
I'm more interested in the journey than the destination.
Mathematics is the language in which the universe writes its deepest secrets.