Revelation 9:19

For the power of the horses was in their mouths and in their tails; indeed, their tails were like snakes, having heads with which to inflict harm.

Berean Standard Bible

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Study note

Setting — John records the vision following the third plague that killed a third of humanity, describing the source of the horsemen’s destructive capacity.

The words — ἐξουσία (exousia) denotes the delegated capacity to inflict damage, which the text locates in both the mouths and tails of the horses. The Greek explicitly ties this lethal authority to these two anatomical sources.

The thread — The description of harmful tails connects directly to the scorpion-like tails in Revelation 9:10 and mirrors Isaiah 9:15’s metaphor of a tail representing deceptive leadership.

Why it lands — The passage states plainly that the horses’ killing power resides in their snake-like tails and mouths, which possess heads designed to harm. Readers must confront the reality that witnessing such targeted destruction does not automatically produce repentance, as the subsequent verse confirms.

Drafted by a language model from the text, its original words and its cross-references, then checked against them. It can still be wrong: open the verse in the app to report it.

The Greek words

King James Version

For their power is in their mouth, and in their tails: for their tails were like unto serpents, and had heads, and with them they do hurt.

Cross-references

Isaiah 9:15 The head is the elder and honorable man, and the tail is the prophet who teaches lies.
Revelation 9:10 They had tails with stingers like scorpions, which had the power to injure people for five months.
Ephesians 4:14 Then we will no longer be infants, tossed about by the waves and carried around by every wind of teaching and by the clever cunning of men in their deceitful scheming.