物理是思想的框架……追索到事情的本质，再从那里思考下去。
(Physics is) a good framework for thinking....Boil things down to their fundamental truths and reason up from there.
人类的高贵来自于你就是你，你不是别人的复制品。
"The moment you feel like giving up, think about why you held on for so long."
求学的人必须先立下志向。志向确立后，学问就可以按部就班地下功夫。