“Good works are the seals and proofs of faith; for even as a letter must have a seal to strengthen the same, even so faith must have good works.”
“Reason is a whore, the greatest enemy that faith has; it never comes to the aid of spiritual things, but more frequently than not struggles against the divine Word, treating with contempt all that emanates from God.”
“When some people say, as they do, that when we preach faith alone good works are forbidden, it is as if I were to say to a sick man, “If you had health you would have the full use of all your limbs, but without health the works of all your limbs are nothing,” and from this he wanted to infer that I had forbidden the works of his limbs. Whereas on the contrary I meant that the health must first be there to work all the works of all his limbs. In the same way faith must be the master-workman and captain in all the works, or they are nothing at all.”
“Reason should be destroyed in all Christians.”
“He who believes God, recognizes Him as true and faithful, and himself as a liar; for he mistrusts his own thinking as false, and trusts the Word of God as being true, though it absolutely contradicts his own reasoning.”
“Believest thou? then thou wilt speak boldly. Speakest thou boldy? then thou must suffer. Sufferest thou? then thou shalt be comforted. For ... faith, the confession thereof, and the cross do follow one another.”