"Oceania was at war with Eurasia: therefore Oceania had always been at war with Eurasia. The enemy of the moment always represented absolute evil, and it followed that any past or future agreement with him was impossible... If the Party could thrust its hand into the past and say of this or that event, it never happened... And if all others accepted the lie which the Party imposed -if all records told the same tale — then the lie passed into history and became truth. Who controls the past,' ran the Party slogan, 'controls the future: who controls the present controls the past... To know and not to know, to be conscious of complete truthfulness while telling carefully constructed lies...to believe that democracy was impossible and that the Party was the guardian of democracy, to forget whatever it was necessary to forget, then to draw it back into memory again at the moment when it was needed, and then promptly to forget it again: and above all, to apply the same process to the process itself... That was the ultimate subtlety: consciously to induce unconsciousness..."