Cross reference
Ezekiel 1:12
12 And each straight forward they go, whither the spirit is to go, they go, they turn not round in their going.
Ezekiel 1:9
9 joining one unto another `are' their wings, they turn not round in their going, each straight forward they go.
Ezekiel 1:17
17 On their four sides, in their going they go, they turn not round in their going.
Ezekiel 1:20-21
20 Whither the spirit is to go, they go, thither the spirit `is' to go, and the wheels are lifted up over-against them, for a living spirit `is' in the wheels.
21 In their going, they go; and in their standing, they stand; and in their being lifted up from off the earth, lifted up are the wheels over-against them; for a living spirit `is' in the wheels.
Ezekiel 10:22
22 As to the likeness of their faces, they `are' the faces that I saw by the river Chebar, their appearances and themselves; each straight forward they go.
Hebrews 1:14
14 are they not all spirits of service -- for ministration being sent forth because of those about to inherit salvation?