A.T. Robertson Commentary Hebrews 12:29

"for our God is a consuming fire." — Hebrews 12:29 (ASV)

A consuming fire (πυρ καταναλισκον). From De 4:24. Present active participle of καταναλισκω, old compound verb, here only in the N.T. This verse is to be coupled with 10:31.