I have good new for mankind. This history lesson will increase joy and not pain.
Abraham was promised a child. He was old and his wife was old. Two old people can't have a child because the womb is closed.
God give Abraham's wife a child while she was very old. The moral is that God can do the impossible.
If their is lack of faith then ask the Lord to increase the faith.
People needs to repents from their sins and follow Jesus. When a person follow Jesus then great things can occur.