良好设计的关键是使事情简单，但不过于简单。
The key to good design is to make things simple, but not simpler.
伟大的事情永远不会来自舒适区。
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.
看得越多，看到的就越多。
挑战在于让观众感受到一些东西，在情感层面上与他们建立联系。
Will you be clever at the expense of others， or will you be kind？
True love is when you put someone else's needs before your own.
The ultimate goal of machine learning is to make machines that can learn from experience and improve their performance over time.