Every challenge is an opportunity to learn and grow.

能源行业必须在应对气候变化方面以身作则。

The concept of infinity is both fascinating and perplexing.

拯救百姓于苦难之中，为万世开创太平局面，这是我们这一代人的责任。

Lisp is worth learning for the profound enlightenment experience you will have when you finally get it; that experience will make you a better programmer for the rest of your days, even if you never actually use Lisp itself a lot.