Martin Luther on using God’s Word to fight your feelings:
For if you want to judge according to what you see and feel, and if you, when God’s Word is held before you, hold your feeling against that, saying: “You are indeed telling me much, however, my heart is telling me far differently, and if you felt what I feel, you, too, would talk differently, etc.,” then you do not have God’s Word in your heart; this has been suppressed and extinguished by your own ideas, reason, and reflections. In short, when you no longer accord the Word greater validity than your every feeling, your eyes, your senses, and your heart, you are doomed, and you can no longer be helped. For this is called an article of faith, not one of your reason or wisdom, nor of human power or ability. Therefore here, too, you must judge solely by the Word, regardless of what you feel or see. I, too, feel my sin and the Law and the devil on my neck. I feel myself oppressed under these as under heavy burdens. But what am I to do? If I were to judge according to my feeling and my ability, I, together with all other men, should have to perish and despair. However, if I wish to be helped, I must surely turn about and look to the Word and say accordingly: “Indeed, I feel God’s wrath, the devil, death, and hell; but the Word V 28, p 71 conveys a different message, namely, that I have a gracious God through Christ, who is my Lord over the devil and all creatures. To be sure, I feel and see that I and all other men must rot in the ground; but the Word informs me differently, namely, that I shall rise in great glory and live eternally.
Martin Luther, Luther’s Works, Vol. 28: 1 Corinthians 7, 1 Corinthians 15, Lectures on 1 Timothy, ed. Jaroslav Jan Pelikan, Hilton C. Oswald and Helmut T. Lehmann, 1 Co 15:1–2 (Saint Louis: Concordia Publishing House, 1999).