Hebrews 11:17-18 'Twas by faith that Abraham, when put to the trial, offered up Isaac: HE offered up his darling son, to whose posterity the promises were to be made good:

Mace⁽ⁱ⁾ ¹⁷ 'Twas by faith that Abraham, when put to the trial, offered up Isaac: HE offered up his darling son, to whose posterity the promises were to be made good: ¹⁸ of whom it was said, "only the descendants of Isaac shall be counted your posterity:"