Matthew 18:10: "'See that you do not despise one of these little ones. For I tell you that in heaven their angels always see the face of my Father who is in heaven.'"
Hebrews 1:14: "Are they not all ministering spirits sent out to serve for the sake of those who are to inherit salvation?"
Psalm 34:7: "The angel of the LORD encamps around those who fear him, and delivers them."
Revelation 7:9-17: "9 After this I looked, and behold, a great multitude that no one could number, from every nation, from all tribes and peoples and languages, standing before the throne and before the Lamb, clothed in white robes, with palm branches in their hands, 10 and crying out with a loud voice, 'Salvation belongs to our God who sits on the throne, and to the Lamb!' 11 And all the angels were standing around the throne and around the elders and the four living creatures, and they fell on their faces before the throne and worshiped God, 12 saying, 'Amen! Blessing and glory and wisdom and thanksgiving and honor and power and might be to our God forever and ever! Amen.'
"13 Then one of the elders addressed me, saying, 'Who are these, clothed in white robes, and from where have they come?' 14 I said to him, 'Sir, you know.' And he said to me, 'These are the ones coming out of the great tribulation. They have washed their robes and made them white in the blood of the Lamb.
"15 'Therefore they are before the throne of God, and serve him day and night in his temple; and he who sits on the throne will shelter them with his presence. 16 They shall hunger no more, neither thirst anymore; the sun shall not strike them, nor any scorching heat. 17 For the Lamb in the midst of the throne will be their shepherd, and he will guide them to springs of living water, and God will wipe away every tear from their eyes.'"
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The text is public domain:
Lord God, to Thee we give all praise,
With grateful hearts our voices raise,
That angel hosts Thou didst create
Around Thy glorious throne to wait.
They shine with light and heav'nly grace
And constantly behold Thy face;
They heed Thy voice, they know it well,
In godly wisdom they excel.
They never rest nor sleep as we;
Their whole delight is but to be
With Thee, Lord Jesus, and to keep
Thy little flock, Thy lambs and sheep.
The ancient dragon is their foe;
His envy and his wrath they know.
It always is his aim and pride
Thy Christian people to divide.
As he of old deceived the world
And into sin and death has hurled,
So now he subtly lies in wait
To undermine both Church and state.
A roaring lion, round he goes,
No halt nor rest he ever knows;
He seeks the Christians to devour
And slay them by his dreadful pow'r.
But watchful is the angel band
That follows Christ on ev'ry hand
To guard His people where they go
And break the counsel of the foe.
For this, now and in days to be,
Our praise shall rise, O Lord, to Thee,
Whom all the angel hosts adore
With grateful songs forevermore.
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The "angel hosts... Around Thy glorious throne" in the first verse refers to Revelation 7:11, and that they "constantly behold Thy face" in the second verse is taken from Matthew 18:10.
The other two citations inform the third and seventh verses:
They never rest nor sleep as we;
Their whole delight is but to be
With Thee, Lord Jesus, and to keep
Thy little flock, Thy lambs and sheep.
But watchful is the angel band"They never rest nor sleep as we" bears some resemblance to Psalm 121:4: "Behold, he who keeps Israel will neither slumber nor sleep," but the hymn is describing angels, and the Psalm is talking about God.
That follows Christ on ev'ry hand
To guard His people where they go
And break the counsel of the foe.
The lines "A roaring lion, round he goes... He seeks the Christians to devour" in the sixth verse come from 1 Peter 5:8: "Be sober-minded; be watchful. Your adversary the devil prowls around like a roaring lion, seeking someone to devour."
