The fact about himself that...

The fact about himself that the liar hides is that he is attempting to lead us away from a correct apprehension of reality; we are not to know that he wants us to believe something he supposes to be false. The fact about himself that the bullshitter hides, on the other hand, is that the truth-values of his statements are of no central interest to him . . . He does not care whether the things he says describe reality correctly. He just picks them out, or makes them up, to suit his purpose.