came down. Moses' sixth and last descent. Compare Exodus 19:3.
wist not. knew not. Compare Moses: unconscious moral strength for testimony.
Samson: unconscious weakness for unfaithfulness (Judges 16:20).
Peter: unconscious deliverance for service (Acts 12:9).
shone. radiated, or was glorious, i.e. reflected as. mirror the Divine glory, see 2 Corinthians 3:7. and compare 1 Corinthians 15:41.Revelation 18:1.Matthew 17:2.Acts 6:15. The Vulgate mistook the Hebrew word karan. to radiate, for keren, a beam or horn of light (see Habakkuk 3:4 and note on the subscription to Psalms 21). Hence the traditional paintings of Moses with two horns.
while, &c.. through his having spoken with him. This interprets 1 John 3:2. Compare Matthew 17:2, and the "till " of Exodus 34:33, and the "until" of Exodus 34:35.