He famously said that if you repeat a lie often enough, people will think it's the truth, and the bigger the lie, the better, because people won't even think that something so big can be a lie.
Su famosa frase decía que si repites una mentira lo suficiente, la gente creerá que es verdad, y cuanto más grande es la mentira, mejor, porque la gente no creerá que algo tan grande pueda ser una mentira.