It seemed the world was divided into good and bad people. The good ones slept better ... while the bad ones seemed to enjoy the waking hours much more.
做出伟大工作的唯一途径就是热爱你所做的事。
智慧来自对生活的深刻理解。
数学是逻辑思想的诗歌。
处理过去的唯一方法就是接受它。