Arcana Coelestia # 5906
5906. 'Make haste and go up to my father' means to spiritual good. This is clear from the representation of Israel, to whom 'father' refers here, as spiritual good from the natural, dealt with in 5801, 5803, 5806, 5812, 5817, 5819, 5826, 5833. The reason why spiritual good is the father of the internal celestial - even though spiritual good, because it comes from the natural, is external when considered in relation to the internal celestial - is that a person must be external before his internal man can develop. For progress is made in order, from exterior things to interior ones, for example, from factual knowledge to intellectual concepts, after which the exterior things must serve as the foundation on which the interior ones rest. This progression, or birth of one from another, is the reason for calling the external 'the father' of the internal, consequently the reason why spiritual good from the natural, which is 'Israel', should be the father of the internal celestial, which is 'Joseph'.
Arcana Coelestia # 5812
5812. 'The boy cannot leave his father' means that that truth cannot be separated from spiritual good. This is clear from the meaning of 'leaving' as being separated; from the representation of 'Israel' as spiritual good from the natural, dealt with in 4286, 4598, 5807; and from the representation of 'Benjamin' as new truth, dealt with in 5804, 5806. This truth is called 'the boy' because it is born last; for this truth is not born until a person has become regenerate. At this point he receives newness of life through this new truth joined to good, which also is why this truth is meant by 'a child of his old age, the youngest one', 5804.