Peter's faith had many a shaking, but it was established upon the truth of his God, upon the person and work and righteousness of Jesus Christ.
Tradition is like the tether which prevents an animal from getting a blade of grass beyond the length of that tether
The majority of mankind think that they think; they acquiesce, and suppose that they argue; they flatter themselves that they are holding their own, when they have actually grown up to manhood, with scarcely a conviction that they can call their own. So it was, and so it ever shall be.