I will sing of mercy and judgment: unto Thee, O Lord, will I sing.@Psalm 101:1
Isaac Watts (1674-1748)

Isaac Watts, The Psalms of David 1719. The magistrate’s psalm.

Queen’s Cross Kenneth G. Finlay, in The Primitive Methodist Hymnal Supplement with Tunes, edited by George Booth (London: Primitive Methodist Publishing House, 1912), number 57 (🔊 pdf nwc).

Mercy and judgment are my song;
And since they both to Thee belong,
My gracious God, my righteous king,
To Thee my songs and vows I bring.

If I am raised to bear the sword,
I’ll take my counsels from Thy Word;
Thy justice and Thy heav’nly grace
Shall be the pattern of my ways.

Let wisdom all my actions guide
And let my God with me reside;
No wicked thing shall dwell with me,
Which may provoke Thy jealousy.

No sons of slander, rage, and strife
Shall be companions of my life;
The haughty look, the heart of pride
Within my doors shall ne’er abide.

I’ll search the land, and raise the just
To posts of honor, wealth, and trust:
The men that work Thy holy will
Shall be my friends and favorites still.

In vain shall sinners hope to rise
By flattering or malicious lies;
And while the innocent I guard,
The bold offender shan’t be spared.

The impious crew, that factious band,
Shall hide their heads or quit the land;
And all that break the public rest,
Where I have power shall be suppressed.