7037. 'Send My son away' means that they should refrain from molestation of the truths of the Church. This is clear from the representation of 'Pharaoh' as falsity molesting the truths of the Church, dealt with in 6651, 6679, 6683, 6692; from the meaning of 'send away' as a command that they should refrain; and from the meaning of 'son' as those who are guided and governed by spiritual truth and good and have been adopted, dealt with just above in 7035. From all this it is evident that 'send My son away' means that they should refrain from molestation of those guided by the truths of the Church.
Arcana Coelestia # 3975
3975. 'For whom I have served you' means from His own power. This is clear from the meaning of 'serving' as toil and endeavour, dealt with in 3824, 3846. When these terms are used in reference to the Lord, His own power is meant, for it was from His own power that the Lord obtained Divine Goods and Divine Truths for Himself and made His Human Divine, see 1616, 1749, 1755, 1921, 2025, 2026, 2083, 2500, 2523, 2632, 2816, 3382.