1 Thy law is perfect, Lord of light,
Thy testimonies sure;
The statutes of thy realm are right,
And thy commandment pure.
2 Let these, O God, my soul convert,
And make thy servant wise;
Let these be gladness to my ears,
The dayspring to mine eyes.
3 By these may I be warned betimes;
who knows the guile within?
Lord, save me from presumptuous crimes;
cleanse me from secret sin.
4 So may the words my lips express,
The thoughts that throng my mind,
O Lord, my strength and righteousness,
With thee acceptance find.