Joel 3:13 Put in the sickle, for the harvest is ripe. Come, tread, for the wine press is full; The vats overflow, for their wickedness is great.

Mark 4:29 "But when the crop permits, he immediately puts in the sickle, because the harvest has come."

Revelation 6:9 When the Lamb broke the fifth seal, I saw underneath the altar the souls of those who had been slain because of the word of God, and because of the testimony which they had maintained;

Revelation 8:3 Another angel came and stood at the altar, holding a golden censer; and much incense was given to him, so that he might add it to the prayers of all the saints on the golden altar which was before the throne.

Revelation 14:15 And another angel came out of the temple, crying out with a loud voice to Him who sat on the cloud, "Put in your sickle and reap, for the hour to reap has come, because the harvest of the earth is ripe."

Revelation 16:8 The fourth angel poured out his bowl upon the sun, and it was given to it to scorch men with fire. (NASB ©1995)