2. Mose 28:30

Into this choshen Moses was to put the Urim and Thummim, that they might be upon his heart when he came before Jehovah, and that he might thus constantly bear the right (mishpat) of the children of Israel upon his heart before Jehovah. It is evident at once from this, that the Urim and Thummim were to bring the right of the children of Israel before the Lord, and that the breastplate was called choshen mishpat because the Urim and Thummim were in it. Moreover it also follows from the expression אל נתתּ, both here and in Lev 8:8, that the Urim and Thummim were not only distinct from the choshen, but were placed in it, and not merely suspended upon it, as Knobel supposes. For although the lxx have adopted the rendering ἐπιτιθέναι ἐπί, the phrase is constantly used to denote putting or laying one thing into another, and never (not even in Sa1 6:8 and Sa2 11:16) merely placing one thing upon or against another. For this, על נתן is the expression invariably used in the account before us (cf. Exo 28:14 and Exo 28:23.). What the Urim and Thummim really were, cannot be determined with certainty, either from the names themselves, or from any other circumstances connected with them. (Note: The leading opinions and the most important writings upon the subject are given in my Bibl. Archaeol. 39, note 9.) The lxx render the words δήλωσις (or δῆλος) καὶ ἀλήθεια, i.e., revelation and truth. This expresses with tolerable accuracy the meaning of Urim (אוּרים light, illumination), but Thummim (תּמּים) means integritas, inviolability, perfection, and not ἀλήθεια. The rendering given by Symm. and Theod., viz., φωτισμοὶ καὶ τελειώσεις, illumination and completion, is much better; and there is no good ground for giving up this rendering in favour of that of the lxx, since the a…

Orders being given for the fitting up of the place of worship, in this and the following chapter care is taken about the priests that were to minister in this holy place, as the menial servants of the God of Israel. He hired servants, as a token of his purpose to reside among them. In this chapter, I. He pitches upon the persons who should be his servants (Exo 28:1). II. He appoints their livery; their work was holy, and so must their garments be, and unanswerable to the glory of the house which was now to be erected (Exo 28:2-5). 1. He appoints the garments of his head-servant, the high priest, which were very rich. (1.) An ephod and girdle, (Exo 28:6-14). (2.) A breast-plate of judgment (Exo 28:15-29), in which must be put the urim and thummim (Exo 28:30). (3.) The robe of the ephod (Exo 28:31-35). (4.) The mitre (Exo 28:36-39). 2. The garments of the inferior priests (Exo 28:40-43). And these also were shadows of good things to come.

28:30 The Urim and Thummim (Hebrew terms that might translate as lights [or curses] and perfections) were apparently a pair of stones that were thrown down to get a yes or no answer from God. No physical description of these objects exists; their use is further explained in Num 27:21; Deut 33:8; 1 Sam 28:6; Ezra 2:63; and Neh 7:65.