This is the special skill that pathological liars possess. The key is to drink of one’s falsehood so deeply that the delusion becomes your truth, and that truth when told is conveyed as honesty in the eyes. Some need a kernel of truth at the heart of the lie to accomplish this, but not all.

“Doublethink means the power of holding two contradictory beliefs in one’s mind simultaneously, and accepting both of them. The Party intellectual knows in which direction his memories must be altered; he therefore knows that he is playing tricks with reality; but by the exercise of doublethink he also satisfies himself that reality is not violated. The process has to be conscious, or it would not be carried out with sufficient precision, but it also has to be unconscious, or it would bring with it a feeling of falsity and hence of guilt.”

Excerpt From

Nineteen Eighty-Four

George Orwell