Revelation 19:5

And there came a voice from the throne, saying, "Praise our God, all you slaves of His who fear Him, great and small."

Revelation 20:12

I saw the dead, great and small, standing before the throne, and books were opened. Then another book was opened; it was the book of life, And the dead were judged by what was written in the books in accordance with what they had done.

Revelation 7:15

This is why they are before the throne of God, and day and night serve Him in His temple, and He who is seated on His throne will shelter them in His tent.

Revelation 11:18-19

The heathen were enraged, but now your anger has come, and the time for the dead to be judged, and for you to reward your slaves the prophets and your people, great and small, who revere your name, and to destroy the destroyers of the earth."

Revelation 16:17

Then the seventh angel emptied his bowl into the air, and a loud voice came out of the sanctuary from the throne, saying, "It is done."

Treasury of Scripture Knowledge

Summary

And a voice came out of the throne, saying, Praise our God, all ye his servants, and ye that fear him, both small and great.

General references

Bible References

A voice

Revelation 7:15
This is why they are before the throne of God, and day and night serve Him in His temple, and He who is seated on His throne will shelter them in His tent.
Revelation 11:19
Then the doors of God's temple in heaven were thrown open, and inside the temple was seen the chest containing God's covenant, and there followed flashes of lightning, rumblings, peals of thunder, an earthquake and heavy hail.
Revelation 16:17
Then the seventh angel emptied his bowl into the air, and a loud voice came out of the sanctuary from the throne, saying, "It is done."

General references

Luke 1:50
He shows His mercy from age to age to those who fear him.
Romans 3:18
There is no reverence for God before their eyes."