问题的数学表述通常比其解决方案更重要，后者可能仅仅是数学或实验技巧的问题。
Every setback is a setup for a comeback.
"I do not believe in happy endings, because life does not offer them."
Geometry is not just about shapes; it is about understanding the space we live in and the relationships within it.
那时我太老了，现在反而年轻了。
当你质疑别人都接受的假设时，真正的创新才会发生。