Psalm 51:14 in the King James Version
Deliver me from bloodguiltiness, O God, thou God of my salvation: and my tongue shall sing aloud of thy righteousness.
Context
13 Then I will teach transgressors your ways. Sinners will be converted to you.
14 Deliver me from the guilt of bloodshed, O God, the God of my salvation. My tongue will sing aloud of your righteousness.
15 Lord, open my lips. My mouth will declare your praise.