3. Some are grievously tempted about faith and the sacrament; but this is not to be imputed to them, but rather to the enemy.
Be not thou anxious, stand not to dispute with thy thoughts, nor to answer the doubts which the devil suggests, but believe the words of God, believe his saints and prophets, and the wicked enemy will fly from thee.
It is often very profitable to the servant of God to suffer such things;
For the devil tempteth not unbelievers and sinners, whom he already securely possesseth; but the faithful and devout he many ways tempteth and molesteth.
4. Go forward therefore with a sincere and undoubted faith, and with an humble reverence approach to this sacrament; and whatsoever thou art not able to understand, commit securely to God, who is Omnipotent.
God never deceiveth, but he is deceived that trusts too much to himself:
God walketh with the simple, and revealeth himself to the humble; he giveth understanding to little ones, openeth the gate of knowledge to pure minds, and hideth his grace from the curious and proud.
Human reason is weak and may be deceived; but true faith cannot be deceived.
5. All reason and natural search ought to follow faith, and not to go before it, nor oppose it;