Habakkuk
Habakkuk 1:8ESV·traditional attribution

Their horses are swifter than leopards, more fierce than the evening wolves; their horsemen press proudly on. Their horsemen come from afar; they fly like an eagle swift to devour.

John Calvin Reformed @genevareformer

The design of these figurative expressions is the same. The Prophet had spoken of the cruelty of those enemies whom the Jews despised: he now adds, that they would be so active as to surpass in velocity both leopards and eagles, or to be at least equal to them. He then says first, that their horses would be swifter then leopards.

Matthew Henry Presbyterian @wholebiblehenry

We have here an answer to the prophet's complaint, giving him assurance that, though God bore long, he would not bear always with this provoking people; for the day of vengeance was in his heart, and he must tell them so, that they might by repentance and reformation turn away the judgment they were threatened with. I.

Commenting on Habakkuk 1:5-11

John Gill Reformed Baptist @doctorgill

Their horses also are swifter than the leopards,.... Creatures remarkable for their swiftness: these are creatures born of the mating of a he panther and a lioness, and not of a lion and a she panther, as some have affirmed; and which adultery is highly resented by the lion; nor will he suffer it to go unrevenged, as Pliny (u) and Philostratus (w) observe: those...