A key insight in learning theory is that the complexity of a hypothesis class is crucial for generalization.
学习理论中的一个关键见解是，假设类的复杂性对于泛化至关重要。
"The best stories are those that challenge us to see the world differently."
成功不是终点，失败也不是致命的：重要的是继续前进的勇气。
真金不怕火炼。
写作是一种希望的行为。
And I hope you will come back here to Harvard 30 years from now and reflect on what you have done with your talent and your energy. I hope you will judge yourselves not on your professional accomplishments alone, but also on how well you have addressed the world's deepest inequities…on how well you treated people a world away who have nothing in common with you but their humanity.
