James 2:13

For there will be justice without mercy for him who has not acted mercifully. Mercy triumphs over Justice.

Revelation 16:6

for men shed the blood of Christ's People and of the Prophets, and thou hast given them blood to drink. It is what they deserve.'

Revelation 19:14-18

The armies of Heaven followed him, mounted on white horses and clothed in fine linen, white and pure.

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 there will be justice without mercy for him who has not acted mercifully. Mercy triumphs over Justice.
Revelation 16:6
for men shed the blood of Christ's People and of the Prophets, and thou hast given them blood to drink. It is what they deserve.'

Shall ride

Revelation 19:14
The armies of Heaven followed him, mounted on white horses and clothed in fine linen, white and pure.