物理学和数学之间的界限并不像人们想象的那么清晰。
计算复杂性理论的发展向我们展示了并非所有问题都是平等的。
The key to success in the new era is not just making cars, but redefining mobility.
There was another life that I might have had, but I am having this one.
"The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all."