7 and when he sees a troop, horsemen in pairs, a troop of donkeys, a troop of camels, he shall hearken diligently with much heed.
Isaiah 21:7 Cross References - ACV
Isaiah 21:9
9 and, behold, here comes a troop of men, horsemen in pairs. And he answered and said, Fallen, fallen is Babylon. And all the graven images of her gods are broken to the ground.
Isaiah 37:24
24 By thy servants thou have defied the Lord, and have said, With the multitude of my chariots I have come up to the height of the mountains, to the innermost parts of Lebanon. And I will cut down the tall cedars of it, and the choice fir trees of it, and I will enter into its farthest height, the forest of its fruitful field.
Hebrews 2:1
1 Because of this we ought to give more earnest heed to the things that were heard, lest we might slip away.