I don’t play tennis for money or fame. I play because I love it.

When every penny must be calculated, the margin for error evaporates.

The beauty of mathematics lies not only in its abstract elegance but also in its profound ability to model and solve real-world problems.

最好的文章，是与自然造化的规律相通的。

积极的情绪拓宽了我们的意识，让我们看到更多的可能性。