So David inquired of the LORD, saying, "Shall I pursue this troop? Shall I overtake them?" And He answered him, "Pursue, for you shall surely overtake them and without fail recover all."
1 Samuel 30:8
Surrounding context
30:7 Then David said to Abiathar the priest, Ahimelech's son, "Please bring the ephod here to me." And Abiathar brought the ephod to David.
30:8 So David inquired of the LORD, saying, "Shall I pursue this troop? Shall I overtake them?" And He answered him, "Pursue, for you shall surely overtake them and without fail recover all."
30:9 So David went, he and the six hundred men who were with him, and came to the Brook Besor, where those stayed who were left behind.