1 Samuel 30:9 in the World English Bible
So David went, he and the six hundred men who were with him, and came to the brook Besor, where those who were left behind stayed.
Context
8 And David enquired at the LORD, saying, Shall I pursue after this troop? shall I overtake them? And he answered him, Pursue: for thou shalt surely overtake them, and without fail recover all.
9 So David went, he and the six hundred men that were with him, and came to the brook Besor, where those that were left behind stayed.
10 But David pursued, he and four hundred men: for two hundred abode behind, which were so faint that they could not go over the brook Besor.