John Trapp on Ezekiel 1:13

Ver. 13. Their appearance was like burning coules of fire] Angels are actuoſi & efficaces ut ignis, of a fiery nature, and of a fiery operation: as is alſo the holy Spirit, (Iſa. 4.4. Mat. 3.11. Act. 2.3.) whereby they are actuated. Angels are all on a light fire, as it were, with zeal for God, and indignation againſt ſin. Let us be like-affected. Paul was an heavenly ſpark: John Baptiſt a burning and ſhining light. Chryſoſtom ſaith that Peter was a man made all of fire, walking among ſtubble. Baſil was a pillar of fire. Latimer cryed out Deeſt ignis. In Bucholcere vivida omnia fuerunt, Melch. Adam. &c.

It went up and down among the living creatures] The fire and flame did. Heb. it made it ſelf to walk, of it own accord and pleaſure.

And the fire was bright] Let us alſo labour to kindle and keep quick the fire of zeal upon the harth of our hearts, without all ſmoke or ſmutch of ſin.

And out of the fire went out lightenings] The Lord is known by the judgement which he executeth: his noble works done by thoſe inſtruments of his the holy Angels are quickly noted and noticed: as in Sennacheribs army.