We thought that we had the answers, it was the questions we had wrong.

"To write is to struggle and to resist; to write is to become; to write is to draw a map of the world that has not yet been explored."

"The act of writing is an act of courage, a confrontation with the self and the world."

解决数学问题的旅程和解决方案本身一样重要，因为它教会我们耐心、坚持和发现的快乐。