Sin: should be Guarded Against
Source: TTT
Psalm 4:4
Be angry, yet do not sin; on your bed, search your heart and be still. Selah
Psalm 39:1
For the choirmaster. For Jeduthun. A Psalm of David. I said, “I will watch my ways so that I will not sin with my tongue; I will guard my mouth with a muzzle as long as the wicked are present.”