最大的风险就是不冒任何风险。

追求幸福是一段永无止境的旅程。

I'm not a perfect person. I never claimed to be.

我们都是自己故事中的英雄。

The ultimate goal of machine learning is to make computers learn from experience and improve their performance over time.

It is the duty of a student to get everything out of a teacher， and the duty of a teacher to get everything out of a student.