68:9 A free rain: the manna, which rained plentifully from heaven, in favour of God's inheritance, that is, of his people Israel: which was weakened indeed under a variety of afflictions, but was made perfect by God; that is, was still supported by divine providence, and brought on to the promised land. It agrees particularly to the church of Christ his true inheritance, which is plentifully watered with the free rain of heavenly grace; and through many infirmities, that is, crosses and tribulations, is made perfect, and fitted for eternal glory.