Understanding the computational complexity of learning problems is essential for developing efficient algorithms.

当下总是在变，但过去是固定的。

A sense of crisis should always be maintained.

In the end, we will remember not the words of our enemies, but the silence of our friends.

改变世界不需要魔法，我们体内已经蕴藏了所有力量。

I don't want to be a queen, I want to be the voice of those who don't have one.

The elegance of a mathematical proof is akin to the beauty of a well-crafted algorithm.

The greatest danger to our future is apathy.