'And it happened in [the course of] these many days' means after quite a number of changes of state. 'That the king of Egypt died' means the end of the falsity that had reigned previously. 'And the children of Israel sighed because of their hard service' means grief on account of the endeavour to subdue the truth of the Church. 'And cried out' means a calling for help. 'And their cry came up to God because of their hard service' means that they were heard. 'And God heard their groaning' means help. 'And God remembered His covenant with Abraham, with Isaac, and with Jacob' means on account of being joined to the Church through the Lord's Divine Human. 'And God saw the children of Israel' means that He endowed the Church with faith. 'And God knew them means that [He endowed it] with charity.