God wants our conscience to be certain and sure that it is pleasing to Him. This cannot be done if the conscience is led by its own feelings, but only if it relies on the Word of God.

I am bound by the texts of the Bible, my conscience is captive to the Word of God, I neither can nor will recant anything, since it is neither right nor safe to act against my conscience.

Either God must be unjust, or you, Jews, wicked and ungodly. You have been, about fifteen hundred years, a race rejected of God.

The devil, the originator of sorrowful anxieties and restless troubles, flees before the sound of music almost as much as before the Word of God....Music is a gift and grace of God, not an invention of men. Thus it drives out the devil and makes people cheerful. Then one forgets all wrath, impurity, and other devices.

Be a sinner and sin boldly, but believe and rejoice in Christ even more boldly.

Now the Church is not wood and stone, but the company of believing people; one must hold to them, and see how they believe, live and teach.

Daily there have to be many troubles and trials in every house, city, and country. No station in life is free of suffering and pain, both from your own, like your wife or children or household help or subjects, and from the outside, from your neighbors and all sorts of accidental trouble.