Ellicott's Commentary for English Readers - 1 Samuel 23:13
(13) Which were about six hundred.—This is the only note we have in this part of the narrative of the rapid increase of the number of “men-at-arms” who joined David.Whithersoever they could.—That is, the armed camp of David was pitched without any fixed plan or aim. Probably the force was marched in the direction of any Philistine raid, and it carried on thus on behalf of Israel a perpetual border warfare. read more
John Dummelow's Commentary on the Bible - 1 Samuel 23:1-29
David delivers Keilah and afterwards retires to the Wilderness of Ziph and maon6. With an ephod in his hand] This is inserted to explain how it was that David was able to enquire of the Lord: see on 1 Samuel 14:18.9. Secretly practised] RV ’devised.’ There was no secrecy about Saul’s methods.14. Ziph] identified with Tell Zif, a rounded hill, 4 m. SE. of Hebron. 15. In a wood] RM ’in Horesh.’ But the true rendering is doubtful. If a proper name, it was more probably a mountain than a wood (cp.... read more