1 Samuel 30:7-8

30:7 Then David said to the priest Abiathar son of Ahimelech, “Bring me the ephod.” So Abiathar brought the ephod to David. 30:8 David inquired of the Lord, saying, “Should I pursue this raiding band? Will I overtake them?” He said to him, “Pursue, for you will certainly overtake them and carry out a rescue!”