Revelation 13:10

If any one lead them into captivity, he shall be led into captivity: if any one slay with the sword, he shall himself be slain with the sword. Here is the patience and the faith of the saints.

Revelation 16:6

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

Revelation 17:12-14

And the ten horns which you saw, are ten kings, which have not yet received their kingdom, but they shall receive authority with the beast, as kings at the same time.

Revelation 17:17

For God has given it into the hearts to execute his sentence, even to perform one purpose; and to give their kingdoms to the beast, till the words of God be fulfilled.

Treasury of Scripture Knowledge

Summary

Woe to thee that spoilest, and thou wast not spoiled; and dealest treacherously, and they dealt not treacherously with thee! when thou shalt cease to spoil, thou shalt be spoiled; and when thou shalt make an end to deal treacherously, they shall deal treacherously with thee.

Bible References

When thou shalt cease

Revelation 13:10
If any one lead them into captivity, he shall be led into captivity: if any one slay with the sword, he shall himself be slain with the sword. Here is the patience and the faith of the saints.
Revelation 16:6
for they have poured forth the blood of saints, and prophets; and thou hast given them blood to drink-they are worthy.
Revelation 17:12
And the ten horns which you saw, are ten kings, which have not yet received their kingdom, but they shall receive authority with the beast, as kings at the same time.