Genesis 21:4
Berean Standard Bible
When his son Isaac was eight days old, Abraham circumcised him, as God had commanded him.
Context
2So Sarah conceived and bore a son to Abraham in his old age, at the very time God had promised. 3And Abraham gave the name Isaac * to the son Sarah bore to him. 4When his son Isaac was eight days old, Abraham circumcised him, as God had commanded him. 5Abraham was a hundred years old when his son Isaac was born to him. 6Then Sarah said, “God has made me laugh, and everyone who hears of this will laugh with me.”
English text: Berean Standard Bible (BSB). English audio: Berean Standard Audio Bible.