作家的角色是见证，讲述需要被讲述的故事，为无声者发声。
The role of the writer is to bear witness, to tell the stories that need to be told, to give voice to the voiceless.
The concept of computational efficiency is central to the design of learning algorithms.
任正非内部讲话稿
政策应该基于证据，而不是意识形态。