物理是思想的框架……追索到事情的本质，再从那里思考下去。
人们哭泣比改变要容易得多。
The dead are never far from us. They’re in our hearts and on our minds and in the end all that separates us from them is a single breath, one final puff of air.
"The universe is full of surprises, and it's our job to uncover them."
