Albert Barnes Commentary Revelation 14:15

"And another angel came out from the temple, crying with a great voice to him that sat on the cloud, Send forth thy sickle, and reap: for the hour to reap is come; for the harvest of the earth is ripe." — Revelation 14:15 (ASV)

And another angel. The fourth in order, Revelation 14:6, 8-9.

Came out of the temple. See Barnes on Revelation 11:19.

Came, as it were, from the immediate presence of God, for the temple was regarded as his special dwelling-place.

Crying with a loud voice to him that sat on the cloud. To the Messiah, Revelation 14:14. That is, the command was carried directly from God by the angel to the Messiah, to go out and reap the great harvest of the world. It is not a command of the angel, but a command from God the Father to the Son.

This is in accordance with all the representations in the New Testament that the Son, as Messiah or Redeemer, is subordinate to the Father and performs the work which has been given him to do. See John 3:16-17; John 5:19; John 10:18; John 12:49; John 14:31.

Compare Barnes on Revelation 1:1.

Thrust in thy sickle, and reap. Into the great harvest of the world.

For the time is come for thee to reap. That is, "the harvest which you are to reap is ripe; the seed which you have sown has grown up; the earth which you have cultivated has produced this golden grain, and it is fitting that you should now gather it in."

This language is appropriately addressed to the Son of God, for all the fruits of righteousness on the earth may be regarded as the result of his culture.

For the harvest of the earth is ripe. The "harvest" in reference to the righteous—the fruit of the good seed sown by the Savior and his apostles and ministers. The time alluded to here is the end of the world, when the affairs of earth are about to be concluded. The design is to state that the Redeemer will then gather in a great and glorious harvest, and by this assurance to sustain the hearts of his people in times of trial and persecution.