Revelation 9:19
9:19 For the power 1 of the horses resides 2 in their mouths and in their tails, because their tails are like snakes, having heads that inflict injuries.
1 tn See BDAG 352 s.v. ἐξουσία 2, “potential or resource to command, control, or govern, capability, might, power.”
2 tn Grk “is.”