The law of the Lord is perfect, reviving the soul.@Psalm 19:7

From The Psalter (Pittsburgh, Pennsylvania: United Presbyterian Board of Publication, 1912), number 38.

Haddam arranged by Lowell Mason, 1822 (🔊 pdf nwc).

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Lowell Mason (1792-1872)

Jehovah’s perfect law
Restores the soul again;
His testimony sure
Gives wisdom unto men;
The precepts of the Lord are right,
And fill the heart with great delight.

The Lord’s commands are pure,
They light and joy restore;
Jehovah’s fear is clean,
Enduring evermore;
His statutes, let the world confess,
Are wholly truth and righteousness.

They are to be desired
Above the finest gold;
Than honey from the comb
More sweetness far they hold;
With warnings they Thy servant guard,
In keeping them is great reward.

His errors who can know?
Cleanse me from hidden stain;
Keep me from willful sins,
Nor let them o’er me reign;
And then I upright shall appear
And be from great transgressions clear.

When Thou dost search my life,
May all my thoughts within
And all the words I speak
Thy full approval win.
O Lord, Thou art a rock to me,
And my Redeemer Thou shalt be.