'Abraham gave all that he had to Isaac' in the highest sense means all the Divine things within the Divine Rational, and in the relative sense the celestial things of love imparted to the Lord's celestial kingdom. 'And to the concubines' sons, whom Abraham had, Abraham gave gifts' means that places in the Lord's spiritual kingdom were allotted to those adopted by the Lord's Divine Human, namely those who were spiritual. 'And he sent them away from being with Isaac his son' means the distinguishing and separation of those who were spiritual from those who were celestial. 'While he was still riving' means to whom he was able to impart life. 'Eastwards to the land of the east' means towards the good of faith.