要理解现在，我们必须倾听过去的声音。
"To understand the present, we must listen to the voices of the past."
别让恐惧阻止你做自己。
"The beauty of literature lies in its ability to connect us, to make us feel less alone in the universe."
The arithmetic of algebraic groups is a central theme in the Langlands program.
可持续性不再是可选项；它是企业长期生存的必要条件。
All violence consists in some people forcing others, under threat of suffering or death, to do what they do not want to do.