In Romans 7, St. Paul says, "The law is spiritual." What does that mean? If the law were physical, then it could be satisfied by works, but since it is spiritual, no one can satisfy it unless everything he does springs from the depths of the heart. But no one can give such a heart except the Spirit of God, who makes the person be like the law, so that he actually conceives a heartfelt longing for the law and henceforward does everything, not through fear or coercion, but from a free heart.
Martin LutherThe priest is not made. He must be born a priest; must inherit his office. I refer to the new birth-the birth of water and the Spirit. Thus all Christians must became priests, children of God and co-heirs with Christ the Most High Priest.
Martin LutherA Christian is free and independent in every respect, a bond servant to none. A Christian is a dutiful servant in every respect, owing a duty to everyone.
Martin LutherMaternity is a glorious thing, since all mankind has been conceived, born, and nourished of women. All human laws should encourage the multiplication of families.
Martin LutherEither sin is with you, lying on your shoulders, or it is lying on Christ, the Lamb of God. Now if it is lying on your back, you are lost; but if it is resting on Christ, you are free, and you will be saved. Now choose what you want.
Martin LutherBut what will happen even if we do burn down the Jews synagogues and forbid them publicly to praise God, to pray, to teach, to utter God's name? They will still keep doing it in secret. If we know that they are doing this in secret, it is the same as if they were doing it publicly. for our knowledge of their secret doings and our toleration of them implies that they are not secret after all and thus our conscience is encumbered with it before God.
Martin Luther