Hebrews 11:16-18

Darby Translation

¹⁶ but now they seek a better, that is, a heavenly; wherefore God is not ashamed of them, to be called their God; for he has prepared for them a city.

¹⁷ By faith Abraham, [when] tried, offered up Isaac, and he who had received to himself the promises offered up his only begotten [son],

¹⁸ as to whom it had been said, In Isaac shall thy seed be called: