When David finished offering the burnt sacrifices and peace offerings, he pronounced a blessing over the people in the name of the Lord of hosts.

The ark of the Lord remained in the house of Obed-Edom the Gittite for three months. The Lord blessed Obed-Edom and all his family. ¹ 

Then Joab bowed down with his face toward the ground and thanked ¹  the king. Joab said, “Today your servant knows that I have found favor in your sight, my lord the king, because the king has granted the request of your ²  servant!”