1 Quotes by Mortimer Adler How to read a book

Because theories of history differ, and because a historian's theory affects his account of events, it is necessary to read more than one account of the history of an event or period if we want to understand it. Indeed, this is the first rule of reading history. ... we cannot hope to understand it if we look at it through the eyes of only one man, or one side, or one faction of modern academic historians.