These walls are very interesting. When you first went to jail, you hated the high walls, and slowly, you get used to it. This is called institutionalization.

The Langlands program is a testament to the power of abstract thought in mathematics.

可持续性不再是一种选择，而是水产养殖业生存的必要条件。

In the realm of fiction, every character is a reflection of the human condition, a mirror to our own complexities and contradictions.

穷人不是需要解决的问题，而是需要拥抱的机会。

That is what learning is. You suddenly understand something you've understood all your life, but in a new way.