数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。

The heart has its reasons, which reason does not know.

Simplicity is a great virtue but it requires hard work to achieve it and education to appreciate it. Simplicity is the ultimate sophistication.

我是一个坚强的人，但我也有很多情感。

The most alluring thing a woman can have is confidence.

所有的压迫都会制造一种战争状态。

Music is a language that can express emotions that words cannot describe.

可持续林业不是成本，而是对我们未来的投资。