“Of whom it was said, That in Isaac shall thy seed be called:”
King James Version (KJV)
11:18 In Isaac shall thy seed be called - From him shall the blessed seed spring. #Gen 21:12|.
Heb 11:18 In Isaac shall thy seed be called. See also Ge 21:12 Ro 9:7. Even though God raised him from the dead. Hence in faith he obeyed, and his faith was gloriously rewarded. The lesson for us is implicit obedience to God's command and trust in his promises. Nothing less is a demonstration of faith.