A mathematician's work is never done; there are always new questions to ask and new mysteries to solve.
数学家的工作永无止境；总有新的问题要问，新的谜题要解。
有时候，活着本身就是一种反抗。
The best decisions are those that benefit both people and the planet.
The key to sustainable economic development is the continuous improvement of human capital through education and innovation.
Policy debates should be grounded in rigorous empirical analysis.