James 2:13

For judgment without mercy shall be on him who shewed no mercy, and mercy glorieth against judgment.

Revelation 16:6

For they have shed the blood of saints and prophets, and thou hast given them blood to drink; for they are worthy.

Revelation 19:14-18

And the hosts which are in heaven followed him on white horses, clothed in fine linen, white and clean.

Treasury of Scripture Knowledge

Summary

They shall hold the bow and the lance: they are cruel, and will not shew mercy: their voice shall roar like the sea, and they shall ride upon horses, every one put in array, like a man to the battle, against thee, O daughter of Babylon.

They are cruel

Shall ride

Bible References

They are cruel

James 2:13
For judgment without mercy shall be on him who shewed no mercy, and mercy glorieth against judgment.
Revelation 16:6
For they have shed the blood of saints and prophets, and thou hast given them blood to drink; for they are worthy.

Shall ride

Revelation 19:14
And the hosts which are in heaven followed him on white horses, clothed in fine linen, white and clean.