Silence Is Consent When We Observe Sin (Psalm 50), from www.HeartofAShepherd.com.

Today’s Scripture reading includes Psalm 50 and Psalm 53. This is the first of two Bible studies, and it is from Psalm 50. A second will follow based on Psalm 53.
Psalm 50 calls for worshiping the LORD and warns that silence during others' sins is approval.