Once sure that the doctrine we teach is God's Word, once certain of this, we may build thereupon, and know that this cause shall and must remain; the devil shall not be able to overthrow it, much less the world be able to uproot it, how fiercely soever it rage.

Christ is the Master; the Scriptures are only the servant. The true way to test all the Books is to see whether they work the will of Christ or not. No Book which does not preach Christ can be apostolic, though Peter or Paul were its author. And no Book which does preach Christ can fail to be apostolic, although Judas, Ananias, Pilate, or Herod were its author.

He who is well acquainted with the text of scripture, is a distinguished theologian. For a Bible passage or text is of more value than the comments of four authors.

In truth you cannot read too much in Scripture; and what you read you cannot read too carefully, and what you read carefully you cannot understand too well, and what you understand well you cannot teach too well, and what you teach well you cannot live too well.

Therefore the blind Jews are truly stupid fools.

I [i.e., God] have given you baptism as a gift for the forgiveness of sins, and preach to you unceasingly by word of mouth concerning this treasure, sealing it with the Sacrament of my body and blood, so that you need never doubt. True, it seems little and insignificant that by the washing of water, the Word, and the Sacrament this should all be effected. But don't let your eyes deceive you.

If he have faith, the believer cannot be restrained. He betrays himself. He breaks out. He confesses and teaches this gospel to the people at the risk of life itself.