Every challenge is an opportunity to learn and grow.

释义：如若辅佐君王的大臣之间能齐心协力，那么国家便会安定太平；如若君臣互相猜疑，互不信任，那么最终国家会四分五裂。

Philosophy is the discipline that forces us to confront the questions we would most like to avoid.

与怪物搏斗的人应小心，免得自己也变成怪物。

Every mathematical theorem is a story waiting to be told, a mystery waiting to be unraveled.