The role of the writer is to bear witness, to tell the stories that need to be told, to give voice to the voiceless.
数学的美妙之处在于它常常引导我们发现关于物理世界的真理,而这些真理是我们无法通过其他方式发现的。
The modern state is characterized by its ability to concentrate and use power in a way that premodern states could not.