"The dead are never far from us. They're in our hearts and in our minds and in the end, they're all we've got."

AdS/CFT对应是理解量子引力的有力工具。

I don't need a reason to be confident in my choices.

道不喜欢杂乱，杂乱就会繁多，繁多就会扰乱，扰乱就会忧虑，忧虑就无法挽救。