'He went out' means that this did in fact happen. 'Noah and his sons' means the member of the Ancient Church. 'His wife and his sons' wives with him' means the Church itself. 'Every wild animal and every creeping thing' means his goods, 'wild animals' goods belonging to the internal man, 'creeping things' goods belonging to the external. 'And every bird, and everything creeping over the earth' means truths, 'bird' truths belonging to the internal man, 'thing creeping over the earth' truths belonging to the external. 'According to their families means pairs. 'They went out of the ark' means, as previously, that these things did in fact happen; and at the same time a state of freedom is meant.