历史是历史家与事实之间不断交互作用的过程，现在和过去之间永无终止的对话。
原文：My first answer therefore to the question,What is history？,is that it is a continuous process of interaction between the historian and his facts,an unending dialogue between the present and the past.
出自：
爱德华·霍列特·卡尔
