Truth gathers itself spotless and unhurt after all our surrenders and concealments and partisanship; never hurt by the treachery or ruin of its best defenders, whether Luther, or William Penn, or St. Paul.
Perhaps there is no other knowing than the mere competence of the act. If at the heart of one's being, there is no self to which one ought to be true, then sincerity is simply nerve; it lies in the unabashed vigor of the pretense. But pretense is only pretense when it is assumed that the act is not true to the agent. Find the agent.
Truth resides in every human heart, and one has to search for it there, and to be guided by truth as one sees it. But no one has a right to coerce others to act according to his own view of truth.
The reason why any one refuses his assent to your opinion, or his aid to your benevolent design, is in you: he refuses to accept you as a bringer of truth, because, though you think you have it, he feels that you have it not. You have not given him the authentic sign.
Look at the mother of Washington! She raised a boy that could not tell a lie--could not tell a lie! But he never had any chance. It might have been different if he had belonged to the Washington Newspaper Correspondents' Club