I…heard the voice of many angels, numbering thousands upon thousands.@Revelation 5:11
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Charles Wesley (1707-1788)

Charles Wesley, 1739. Wesley wrote this hymn to commemorate the first anniversary of his conversion to Christ. He notes in his Journal:

Sunday, May 21, 1738. I waked in expectation of His coming. At nine my brother and some friends came and sang a hymn to the Holy Ghost. My comfort and hope were hereby increased. In about half an hour they went. I betook myself to prayer the substance as follows: O Jesus, thou hast said, I will come unto you; thou hast said, I will send the Comforter unto you. thou hast said, My Father and I will come unto you, and make our abode with you. Thou art my God, who canst not lie. I wholly rely upon thy most true promise: accomplish it in thy time and manner.…Still I felt a violent opposition and reluctance to believe, yet still the Spirit of God strove with my own and the evil spirit till by degrees he chased away the darkness of my unbelief. I found myself convinced, I knew not how or when, and immediately fell to intercession.

The stanza that begins O for a thousand tongues to sing is verse seven of Wesley’s original poem. This work first appeared in Hymns and Sacred Poems in 1740.

Azmon Carl G. Gläser, 1828; arranged by Lowell Mason, Modern Psalmist, 1839 (🔊 pdf nwc).

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Lowell Mason (1792-1872)

O for a thousand tongues to sing
My great Redeemer’s praise,
The glories of my God and king,
The triumphs of His grace!

My gracious master and my God,
Assist me to proclaim,
To spread through all the earth abroad
The honors of Thy name.

Jesus! the name that charms our fears,
That bids our sorrows cease;
’Tis music in the sinner’s ears,
’Tis life, and health, and peace.

He breaks the power of canceled sin,
He sets the prisoner free;
His blood can make the foulest clean,
His blood availed for me.

He speaks, and, listening to His voice,
New life the dead receive,
The mournful, broken hearts rejoice,
The humble poor believe.

Hear Him, ye deaf; His praise, ye dumb,
Your loosened tongues employ;
Ye blind, behold your Savior come,
And leap, ye lame, for joy.

In Christ your head, you then shall know,
Shall feel your sins forgiven;
Anticipate your heaven below,
And own that love is heaven.

Glory to God, and praise and love
Be ever, ever given,
By saints below and saints above,
The church in earth and Heaven.

On this glad day the glorious sun
Of righteousness arose;
On my benighted soul He shone
And filled it with repose.

Sudden expired the legal strife,
’Twas then I ceased to grieve;
My second, real, living life
I then began to live.

Then with my heart I first believed,
Believed with faith divine,
Power with the Holy Ghost received
To call the Savior mine.

I felt my Lord’s atoning blood
Close to my soul applied;
Me, me He loved, the Son of God,
For me, for me He died!

I found and owned His promise true,
Ascertained of my part,
My pardon passed in heaven I knew
When written on my heart.

Look unto Him, ye nations, own
Your God, ye fallen race;
Look, and be saved through faith alone,
Be justified by grace.

See all your sins on Jesus laid:
The Lamb of God was slain,
His soul was once an offering made
For every soul of man.

Awake from guilty nature’s sleep,
And Christ shall give you light,
Cast all your sins into the deep,
And wash the Æthiop white.

Harlots and publicans and thieves
In holy triumph join!
Saved is the sinner that believes
From crimes as great as mine.

Murderers and all ye hellish crew,
Ye sons of lust and pride,
Believe the Savior died for you;
For me the Savior died.

With me, your chief, ye then shall know,
Shall feel your sins forgiven;
Anticipate your heaven below,
And own that love is heaven.