Parallel
Hebrews 10:32
King James Version (1769 Blayney revision, with Apocrypha) · Berean Standard Bible
But call to remembrance the former days, in which, after ye were illuminated, ye endured a great fight of afflictions;
Remember the early days that you were in the light (note: Or Remember when you were first enlightened.). In those days, you endured a great conflict in the face of suffering.