The PAC learning framework provides a formal way to analyze the efficiency and effectiveness of learning algorithms.

A liberdade é como o ar que respiramos; sem ela, sufocamos.

"The most important thing is to stay open-minded."

A sustainable coal industry is possible if we commit to the right technologies.

The power of literature lies in its ability to make us see the world through different eyes.

Sometimes in life, you don't always feel strong, but that doesn't mean you're not.

一个人思虑太多，就会失去做人的乐趣。