You’ve got to have models in your head. And you’ve got to array your experience—both vicarious and direct—on this latticework of models. You may have noticed students who just try to remember and pound back what is remembered. Well, they fail in school and in life. You’ve got to hang experience on a latticework of models in your mind.
广义相对论在某种意义上就是引力场的理论。
The beauty of physics lies in its ability to explain the complex with simple principles.
Life isn't about finding yourself. Life is about creating yourself.
"Sometimes I think that the only thing that connects us to the past is the present. Without the present, the past would be lost forever."