我的清白终于开始让我感到沉重。

You’ve got to have models in your head. And you’ve got to array your experience—both vicarious and direct—on this latticework of models. You may have noticed students who just try to remember and pound back what is remembered. Well, they fail in school and in life. You’ve got to hang experience on a latticework of models in your mind.

工作是良药，能医治一切困扰人的疾苦。

"We are all time travelers, moving forward at the speed of life, but always looking back."

Deep learning is a powerful tool for solving complex problems.