NET
16 But here is why I was treated with mercy: so that in me as the worst, Christ Jesus could demonstrate his utmost patience, as an example for those who are going to believe in him for eternal life.
Darby
16 But for this reason mercy was shewn me, that in me, [the] first, Jesus Christ might display the whole long-suffering, for a delineation of those about to believe on him to life eternal.
KJV
16 Howbeit for this cause I obtained mercy, that in me first Jesus Christ might shew forth all longsuffering, for a pattern to them which should hereafter believe on him to life everlasting.