在科学中，我们试图解释我们不理解的事物。在数学中，我们试图理解我们无法解释的事物。

Every tree we plant today is an investment in tomorrow's clean air and healthy ecosystems.

事实是，最多人的最大幸福是衡量对与错的标准。

The strength of a society lies in its ability to balance individual freedom with social cohesion.

The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.

我对各种图片都感兴趣，不管它们是怎么做出来的。