Link to Luther's Jubilate Sermon
"And ye now have sorrow, but I will see you again, and your heart shall rejoice, and your joy no man taketh from you."
27. All this David has described in a Psalm in a most masterly and beautiful manner, when he says in Psalm 30: 1-8: "I will extol thee, 0 Jehovah, for thou hast raised me up, and hast not made my foes to rejoice over me. 0 Jehovah, my God: I cried unto thee and thou hast healed me. 0 Jehovah, thou hast brought up my soul from Sheol, thou hast kept me alive, that I should not go down to the pit. Sing praise unto Jehovah, 0 ye saints of his, and give thanks to his holy memorial name for his anger is but for a moment; his favor is for a lifetime; weeping may tarry for the night, but joy cometh in the morning. As for me, I said in my prosperity, I shall never be moved. Thou, Jehovah, of thy favor hadst made my mountain to stand strong: thou didst hide thy face; I was troubled. I cried to Thee, 0 Jehovah; and unto Jehovah I made supplication." Where is now the man who just said: "I shall never be moved?" Well, he replies, when thou, Jehovah, of thy favor didst make my mountains to stand strong, then I spoke thus. "But when thou didst hide thy face, I was troubled," I fell. If Christ were continually with us, I really believe we would never be afraid; but since he occasionally departs from us we must therefore at times be afraid.
28. In this Psalm is beautifully portrayed to us how to recognize and experience a good conscience, for here David considers the whole world as a drop, and is not the least afraid of it, even though it should storm and rage against him, for he has the Lord with him. He has made his mountain to stand strong, but when he fell and the Lord hid his face from him, then he was afraid. Then were heart, courage, and mountain gone. Then was he afraid of a driven leaf, who before was not afraid of the whole world, as he also says in another Psalm unto the Lord: "Yea, though I walk through the valley of the shadow of death, I will fear no evil, for thou art with me; thy rod and thy staff they comfort me." Psalm 23:4. Likewise in Psalm 3:6 he says: "I will not be afraid of ten thousands of the people that have set themselves against me round about." Passages like these can be multiplied in the Psalms, all of which show how an upright good conscience stands, namely; when God is with it, it is courageous and brave, but when God has departed, it is fearful and terrified.
