And when Moses was gone into the tabernacle of meeting to speak with him, then he heard the voice of one speaking unto him from off the mercy seat that was upon the ark of testimony, from between the two cherubim: and he spoke unto him.
All Commentaries on Numbers 7:89 Go To Numbers 7
George Leo Haydock
AD 1849
Oracle of God, whose majesty appeared, in the form of a bright cloud, upon the propitiatory, or mercy-seat. (Haydock)
Moses is allowed to enter in quality of God's messenger, to announce his will to the people; or perhaps he heard the mandates of God, standing without the veil. (Du Hamel)