Revelation 14:15

Then another angel [i.e., the fourth] came out of the Temple, calling out with a loud voice to Him who was sitting on the cloud, "Use your sharp sickle to reap [a harvest] because it is harvest time, and the crop of the earth is ripe."

Matthew 13:39

The enemy who scattered the weed seeds is the devil; the harvest time is the end of the world; and the harvesters are angels.

Revelation 14:18

Then another angel [i.e., the sixth] came out of the Altar. He had authority over [its] fire and he called out in a loud voice to the one who had the sharp sickle [i.e., the fifth angel] saying, "Use your sharp sickle to gather the clusters from the vines of the earth, for its grapes are ripe."

Mark 4:29

But when the grain ripens the farmer wields his sickle because harvest time has come."

Revelation 16:17

Then the seventh [angel] poured out his bowl into the air, and a loud voice came out of the Temple from the throne [of God], saying, "It is over!" [i.e., the series of judgments have been completed].

Matthew 13:30

Let both of them grow together until it is time for the harvest; then at that time, I will tell the harvesters, "Gather up the weeds first, and bind them up into bundles to burn. But gather the wheat into my barn."'"

Matthew 23:32

So [then], fulfill the pattern of behavior begun by your forefathers.

1 Thessalonians 2:16

for they [even] try to prevent us from speaking to the Gentiles, so that they can be saved. [In doing this] they are always piling up one sin on another. But the wrath [of God] has come upon them at last [or, "completely"].

Revelation 6:10

And they called out with a loud voice, "How long, holy and true Master, [will it be] before you judge the people living on earth and take revenge on them for [shedding] our blood?"

Revelation 13:12

And he exercises all the authority of the first beast [See verse 1] in his presence [or, "on his behalf"]. And he forced the earth and those who lived on it to worship the first beast, whose [apparently] fatal wound had healed.

Revelation 14:14

And I looked, and there in front of me I saw a white cloud, and on the cloud was seated someone who looked like the Son of man [See Dan. 7:13]. He had a golden crown on His head and a sharp sickle in His hand.

Revelation 15:6

And out of the Temple there came the seven angels that had the seven plagues [i.e., judgments]. They were dressed in clean, bright linen [clothing] and they had golden sashes wrapped around their chests.

Treasury of Scripture Knowledge

Summary

And another angel came out of the temple, crying with a loud voice to him that sat on the cloud, Thrust in thy sickle, and reap: for the time is come for thee to reap; for the harvest of the earth is ripe.

Bible References

Crying

Revelation 6:10
And they called out with a loud voice, "How long, holy and true Master, [will it be] before you judge the people living on earth and take revenge on them for [shedding] our blood?"

Thrust

Revelation 14:14
And I looked, and there in front of me I saw a white cloud, and on the cloud was seated someone who looked like the Son of man [See Dan. 7:13]. He had a golden crown on His head and a sharp sickle in His hand.

Harvest

Revelation 13:12
And he exercises all the authority of the first beast [See verse 1] in his presence [or, "on his behalf"]. And he forced the earth and those who lived on it to worship the first beast, whose [apparently] fatal wound had healed.
Matthew 13:30
Let both of them grow together until it is time for the harvest; then at that time, I will tell the harvesters, "Gather up the weeds first, and bind them up into bundles to burn. But gather the wheat into my barn."'"

Ripe

Revelation 14:18
Then another angel [i.e., the sixth] came out of the Altar. He had authority over [its] fire and he called out in a loud voice to the one who had the sharp sickle [i.e., the fifth angel] saying, "Use your sharp sickle to gather the clusters from the vines of the earth, for its grapes are ripe."
Matthew 23:32
So [then], fulfill the pattern of behavior begun by your forefathers.
1 Thessalonians 2:16
for they [even] try to prevent us from speaking to the Gentiles, so that they can be saved. [In doing this] they are always piling up one sin on another. But the wrath [of God] has come upon them at last [or, "completely"].