Reality is a question of perspective; the further you get from the past, the more concrete and plausible it seems.
To speak ill of others is a dishonest way of praising ourselves.
2008:贝索斯致股东信《逆向工作法 VS 技能导向法》
The first step in liquidating a people is to erase its memory. Destroy its books, its culture, its history. Then have somebody write new books, manufacture a new culture, invent a new history. Before long the nation will begin to forget what it is and what it was. The world around it will forget even faster.