过去是紧贴我们脚跟的影子。
The whole of life is an act of letting go, but what hurts the most is not taking a moment to say goodbye.
"We need to be insatiable in our desire to learn from the outside and bring that learning into Microsoft."
The greatest discoveries often come from unexpected places.
我们必须永远记住，每一个数据点的背后都是一个等待希望的生命。
The world is a book, and those who do not travel read only one page.