None can believe how powerful prayer is, and what it is able to effect, but those who have learned it by experience.
Martin LutherIt is impossible for one man both to labor day and night to get a living, and at the same time give himself to the study of sacred learning as the preaching office requires.
Martin LutherWhen one is possessed with doubt, that though he call upon the Lord he cannot be heard, and that God has turned him heart from him, and is angry ... he must arm himself with God's Word, promising to hear him.
Martin LutherBeing by his faith replaced afresh in paradise and created anew, he (the believer)does not need works for his justification, but that he may not be idle, but that he may exercise his own body and preserve it. His works are to be done freely, with the sole object of pleasing God.
Martin LutherFor God is not gracious and merciful to sinners to the end that they might not keep his Law, nor that they should remain as they were before they received grace and mercy; but he condones and forgives both sin and death for the sake of Christ, who has fulfilled the whole Law in order thereby to make the heart sweet and through the Holy Spirit to kindle and move the heart to begin to love from day to day more and more.
Martin Luther