L-函数的算术是解开数论秘密的关键。
The arithmetic of L-functions is a key to unlocking the secrets of number theory.
最终，我们记住的不是敌人的话语，而是朋友的沉默。
Understanding the real lives of the poor is the first step toward designing effective policies to help them.
"The truth is often hidden in the shadows, waiting for someone brave enough to uncover it."
