"The major threats to survival that our ancestors faced - predators, starvation, disease - left their mark on our fears and anxieties."

当生存成为日常课题，长期计划便成了奢侈品。

Quality is more important than quantity. One home run is much better than two doubles.

我们写的每一个方程都是宇宙的一首诗，是存在伟大史诗中的一节。