"Deep learning is a form of machine learning that enables computers to learn from experience and understand the world in terms of a hierarchy of concepts."

"To live is to be haunted by the ghosts of what might have been."

Leadership is not about being in charge. It's about taking care of those in your charge.

孩子拿书的方式会告诉你他们对这本书的全部感受。

When a professor insists computer science is X but not Y, have compassion for his graduate students.