"What collapsed at that time? First of all a lot of high walls, which divided people, nations and all continents in defiance of common sense. The Iron Curtain, which separated European nations subordinated to the soviet empire from nations which celebrated freedom, collapsed... Walls built among citizens by omnipresent fear tumbled down."
January 1, 1970
https://en.wikiquote.org/wiki/V%C3%A1clav_Havel