[It is] essentially wholesome and necessary, for a Christian to know, whether or not the will does any thing in those things which pertain unto Salvation. Nay, let me tell you, this is the very hinge upon which our discussion turns. It is the very heart of the subject
Martin LutherGod 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.
Martin LutherThose who turn proud when their praise is sounded, who seek their own glory, not Christ's, or those who are moved by slanders and by infamy, had better leave the ministry of the Word.
Martin LutherThe reproduction of mankind is a great marvel and mystery. Had God consulted me in the matter, I should have advised him to continue the generation of the species by fashioning them out of clay.
Martin Luther