勇气并不意味着你不害怕，而是你不让恐惧阻止你。
Courage doesn’t mean you don’t get afraid. Courage means you don’t let fear stop you.
The present is the point at which time touches eternity.
The joy of mathematics is in the journey, not just the destination.
Man is always something more than what he knows about himself. He is not what he is simply once and for all, but is a process.
一个阅读的孩子将会成为一个思考的成年人。