数学之美在于它能够以精确而优雅的方式描述世界。

You can tell whether a man is clever by his answers. You can tell whether a man is wise by his questions.

The final test of a novel is whether you care so much for the people that you want to know what happens to them next.

我们不能改变过去，但我们可以改变对过去的看法。

我们都正走向天堂之路，也通往地狱之门。

能源的未来在于包括传统能源和可再生能源在内的多样化组合。