Break forth into singing, O mountains "Ye mountains, burst forth into song" - Three ancient MSS. are without the י yod or the conjunction ו vau before the verb: and so the Septuagint, Syriac, and Vulgate.

O heavens

Isaiah 42:10,11 Sing to the LORD a new song, and his praise from the end of the earth, you that go down to the sea, and all that is therein; the isles...

Isaiah 44:23 Sing, O you heavens; for the LORD has done it: shout, you lower parts of the earth: break forth into singing, you mountains...

Isaiah 52:9 Break forth into joy, sing together, you waste places of Jerusalem: for the LORD has comforted his people, he has redeemed Jerusalem.

Isaiah 55:12 For you shall go out with joy, and be led forth with peace: the mountains and the hills shall break forth before you into singing...

Psalm 96:11-13 Let the heavens rejoice, and let the earth be glad; let the sea roar, and the fullness thereof...

Psalm 98:4-9 Make a joyful noise to the LORD, all the earth: make a loud noise, and rejoice, and sing praise...

Luke 2:13,14 And suddenly there was with the angel a multitude of the heavenly host praising God, and saying...

Luke 15:10 Likewise, I say to you, there is joy in the presence of the angels of God over one sinner that repents.

Revelation 5:8-13 And when he had taken the book, the four beasts and four and twenty elders fell down before the Lamb, having every one of them harps...

Revelation 7:9-12 After this I beheld, and, see, a great multitude, which no man could number, of all nations, and kindreds...

the Lord

Isaiah 12:1 And in that day you shall say, O LORD, I will praise you: though you were angry with me, your anger is turned away...

Isaiah 40:1,2 Comfort you, comfort you my people, said your God...

Isaiah 51:3 For the LORD shall comfort Zion: he will comfort all her waste places; and he will make her wilderness like Eden...

Isaiah 61:2,3 To proclaim the acceptable year of the LORD, and the day of vengeance of our God; to comfort all that mourn...

Isaiah 66:13,14 As one whom his mother comforts, so will I comfort you; and you shall be comforted in Jerusalem...

Jeremiah 31:13 Then shall the virgin rejoice in the dance, both young men and old together: for I will turn their mourning into joy...

2 Corinthians 7:6 Nevertheless God, that comforts those that are cast down, comforted us by the coming of Titus;

2 Thessalonians 2:16 Now our Lord Jesus Christ himself, and God, even our Father, which has loved us...

Feeding in the Ways
'They shall feed in the ways, and their pastures shall be in all high places.' ISAIAH xlix. 9. This is part of the prophet's glowing description of the return of the Captives, under the figure of a flock fed by a strong shepherd. We have often seen, I suppose, a flock of sheep driven along a road, some of them hastily trying to snatch a mouthful from the dusty grass by the wayside. Little can they get there; they have to wait until they reach some green pasture in which they can be folded. This …
Alexander Maclaren—Expositions of Holy Scripture

Of Civil Government.
OF CIVIL GOVERNMENT. This chapter consists of two principal heads,--I. General discourse on the necessity, dignity, and use of Civil Government, in opposition to the frantic proceedings of the Anabaptists, sec. 1-3. II. A special exposition of the three leading parts of which Civil Government consists, sec. 4-32. The first part treats of the function of Magistrates, whose authority and calling is proved, sec. 4-7. Next, the three Forms of civil government are added, sec. 8. Thirdly, Consideration …
John Calvin—The Institutes of the Christian Religion

Twentieth Sunday after Trinity the Careful Walk of the Christian.
Text: Ephesians 5, 15-21. 15 Look therefore carefully how ye walk [See then that ye walk circumspectly], not as unwise, but as wise; 16 redeeming the time, because the days are evil. 17 Wherefore be ye not foolish, but understand what the will of the Lord is. 18 And be not drunken with wine, wherein is riot, but be filled with the Spirit; 19 speaking one to another in psalms and hymns and spiritual songs, singing and making melody with your heart to the Lord; 20 giving thanks always for all things …
Martin Luther—Epistle Sermons, Vol. III