The past is a shadow that follows us, but it doesn't have to define us.
过去是一个跟随我们的影子，但它不必定义我们。
文学不是一场道德选美比赛。
He who would search for pearls must dive below.
We must balance the need for energy with the need to protect the environment.
Asymmetric catalysis is not just a tool, it's a way of thinking about molecular transformations.