For Sarah conceived, and bare Abraham a son in his old age, at the set time of which God had spoken to him.(Genesis 21:2)

And Abraham called the name of his son that was born unto him, whom Sarah bare to him, Isaac.(Genesis 21:3)

And Abraham circumcised his son Isaac being eight days old, as God had commanded him.(Genesis 21:4)

And Abraham was an hundred years old, when his son Isaac was born unto him.

And Sarah said, God hath made me to laugh, so that all that hear will laugh with me.(Genesis 21:6)

And she said, Who would have said unto Abraham, that Sarah should have given children suck? for I have born him a son in his old age.(Genesis 21:7)

And the child grew, and was weaned: and Abraham made a great feast the same day that Isaac was weaned.(Genesis 21:8)

Other publications related to "Genesis 21:5":

Genesis 22 (part 2)
A sermon on the lessons of Abraham's sacrifice of Isaac, emphasizing the importance of sacrificial giving and obedience, and trusting in God's provision and blessing.

When you lose it all, you win it all
In this sermon, Dr. Roberto Miranda discusses the story of Abraham sacrificing his son Isaac and how it contains lessons for surrendering to Gods will and following Jesus. The sermon encourages listeners to detach themselves emotionally from things and consecrate them to the Lord, and invites people to give their lives to Jesus Christ.

Genesis 21:5 - Cross Reference

And being not weak in faith, he considered not his own body now dead, when he was about an hundred years old, neither yet the deadness of Sarah's womb: (Romans 4:19)

Then Abraham fell upon his face, and laughed, and said in his heart, Shall a child be born unto him that is an hundred years old? and shall Sarah, that is ninety years old, bear? (Genesis 17:17)

And when Abram was ninety years old and nine, the LORD appeared to Abram, and said unto him, I am the Almighty God; walk before me, and be thou perfect. (Genesis 17:1)