If it doesn't challenge you, it won't change you.
如果它不挑战你，它就不会改变你。
"The greatest tragedy is not the brutality of the bad people, but the silence of the good people."
寻找互反律是数学史上的一个基本主题。
The biggest risk to our industry is not the energy transition itself, but being unprepared for it.
"If you're not enjoying writing it, the reader won't enjoy reading it."