We have some hints here…
“By faith Abraham, when he was called, obeyed by going out to a place which he was to receive for an inheritance; and he left, not knowing where he was going. By faith he lived as a stranger in the land of promise, as in a foreign land, living in tents with Isaac and Jacob, fellow heirs of the same promise; for he was looking for the city which has foundations, whose architect and builder is God. By faith even Sarah herself received ability to conceive, even beyond the proper time of life, since she considered Him faithful who had promised. Therefore even from one man, and one who was as good as dead at that, there were born descendants who were just as the stars of heaven in number, and as the innumerable grains of sand along the seashore.
All these died in faith, without receiving the promises, but having seen and welcomed them from a distance, and having confessed that they were strangers and exiles on the earth. For those who say such things make it clear that they are seeking a country of their own. And indeed if they had been thinking of that country which they left, they would have had opportunity to return. But as it is, they desire a better country, that is, a heavenly one. Therefore God is not ashamed to be called their God; for He has prepared a city for them.
By faith Abraham, when he was tested, offered up Isaac, and the one who had received the promises was offering up his only son; it was he to whom it was said, “THROUGH ISAAC YOUR DESCENDANTS SHALL BE NAMED.” He considered that God is able to raise people even from the dead, from which he also received him back as a type. By faith Isaac blessed Jacob and Esau, even regarding things to come. By faith Jacob, as he was dying, blessed each of the sons of Joseph, and worshiped, leaning on the top of his staff. By faith Joseph, when he was dying, made mention of the exodus of the sons of Israel, and gave orders concerning his bones.”
(Hebrews 11:8-22 NAS20)
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