'The shoulder' signifies all power. In Ezekiel 29:7, this signifies the power or faculty of understanding truth. 'To dwell between his shoulders,' as in Deuteronomy 33:12, signifies being in security and power.

(Odkazy: Arcana Coelestia 1085)

4544. 'Remove the gods of the foreigner which are in the midst of you' means that falsities were to be cast aside. This is clear from the meaning of 'removing' as casting aside, and from the meaning of 'the gods of the foreigner' as falsities; for in the Word 'gods' means truths and in the contrary sense falsities, 4402. Those people were called 'foreigners' who were outside the Church and therefore those who were subject to falsities and evils, 2049, 2115; and this explains why 'the gods of the foreigner' means falsities.