What does Genesis 20:17 mean?
Abraham's earlier lie had caused king Abimelech to take Sarah as a wife, not realizing she was actually married to Abraham (Genesis 20:2–3). After being confronted by God and stricken with an illness, king Abimelech returned Sarah to Abraham, untouched, along with gifts of herds, cattle, servants, choice land, and a great amount of silver (Genesis 20:16). In return, Abraham fulfilled his obligation. He prayed to God for Abimelech's healing. God healed Abimelech, as well as returning to Abimelech's wife and female slaves the ability to bear children again. God restored what He had taken from Abimelech and his household after Abimelech returned what he had taken, in innocence, from Abraham.More specifically, God healed after Abraham prayed. Why did God require the middle step of another person's prayer before taking action? God often works that way, especially through his prophets in the Old Testament and in the church today. God stands ready to exercise His power in response to the prayers of His people. He wants us to ask; He acts when we do (James 5:17–18).