"Nineteen Eighty-Four" by George Orwell.

In his book Nineteen Eighty-Four George Orwell portrays a bleak world in which "the party" holds complete and utter control. To assure their ability of maintaining power, this ruling elite has developed methods to eliminate dissent and impose complete uniformity of opinion upon its people. It was Stephen King who said, "The beauty of religious mania is that it has the power to explain everything. Once God (or Satan) is accepted as the first cause …

…permanence of the party. In other words, everyone from the lowliest prole, to the most influential member of the inner party, through Doublethink, is submitting themselves to the logic and fabricated reality of ENGSOC. Thus making themselves, on a conscious level, ignorant to true reality, as well as a part of a grand political machine that is immune to change itself. So then, the party slogan passes into truth and into reality, Ignorance is Strength.