创新不仅仅是创造新事物；它关乎改进已有的事物。
创新不仅仅是关于新想法，而是以创造真正价值的方式去执行它们。
To write is to breathe, to live, to exist.
The joy of mathematics comes from the act of creation, not just the result.
优化是在给定约束条件下做出最佳选择的艺术。
Every word is a world.