And I heard a man's voice between the banks of Ulai, which called, and said,
Gabriel, make this man to understand the vision.
All Commentaries on Daniel 8:16 Go To Daniel 8
Aquinas Study Bible
St. Augustine said "Christ is understood to have given this command to Gabriel." Ephrem the Syrian said Daniel's "guardian angel, who never parted from him, asked Gabriel." And St. Jerome said "the Jews claim that this man who directed Gabriel to explain the vision to Daniel was Michael himself.