1 Samuel 2:28

Did I choose him out of all the tribes of Israel?... — After such glorious privileges had been conferred on this favoured house, and such ample provision for all its wants had been made for it, it was indeed a crime of the blackest ingratitude that its leading members should pour dishonour on their invisible King and Benefactor.

To wear an ephod before me. — This included the privilege, which belonged to the head of the house of Aaron, the reigning high priest, of entering the Holy of Holies — that lightless inner sanctuary where the visible presence of the Eternal was ever and anon pleased to dwell — and also the possession of the mysterious Urim and Thummim, by which enquiry could be made of the will of the invisible King of Israel.