The number "two" has two different meanings in the Bible. In most cases "two" indicates a joining together or unification. This is easy to see if we consider the conflicts we tend to have between our "hearts" and our "heads" -- between what we want and what we know. Our "hearts" tell us that we want pie with ice cream for dinner; our "heads" tell us we should have grilled chicken and salad. If we can bring those two together and actually want what's good for us, we'll be pretty happy. We're built that way -- with our emotions balanced against our intellect -- because the Lord is built that way. His essence is love itself, or Divine Love, the source of all caring, emotion and energy. It is expressed as Divine Wisdom, which gives form to that love and puts it to work, and is the source of all knowledge and reasoning. In His case the two aspects are always in conjunction, always in harmony. It's easy also to see how that duality is reflected throughout creation: plants and animals, food and drink, silver and gold. Most importantly, it's reflected in the two genders, with women representing love and men representing wisdom. That's the underlying reason why conjunction in marriage is such a holy thing. So when "two" is used in the Bible to indicate some sort of pairing or unity, it means a joining together. In rare cases, however, "two" is used more purely as a number. In these cases it stands for a profane or unholy state that comes before a holy one. This is because "three" represents a state of holiness and completion (Jesus, for instance, rose from the tomb on the third day), and "two" represents the state just before it.

3166. 'And he gave precious things to her brother' means spiritual things passing from there to natural good. This is clear from the meaning of 'precious things' as spiritual things, dealt with in what follows, and from the meaning of 'a brother' as natural good, dealt with in 3160, and also of 'Laban', to whom 'her brother' refers here, as the affection for good in the natural man, dealt with in 3129, 3130. It is also clear from other parts of the Word that 'precious things' means spiritual things, for example, from the reference to Joseph in Moses,

Blessed by Jehovah is his land, in regard to the precious things of heaven, to the dew, and to the deep lying beneath, and to the precious things of the fruits of the sun, and to the precious things of the produce of the months, and to the precious things of the eternal hills, and to the precious things of the earth and of its fulness. Deuteronomy 33:13-16.

Here 'the precious things of heaven', 'the precious things of the fruits of the sun', 'the precious things of the produce of the months', 'the precious things of the eternal hills', and 'the precious things of the earth' mean various kinds of spiritual things. The word 'precious' was also applied to precious stones, pearls, balms, spices, and similar commodities, which all mean spiritual things.

[2] What spiritual things are has been stated many times already, namely that in the Lord's kingdom there are celestial things and there are spiritual things. Celestial things are forms of good, spiritual things forms of truth from that good. Nothing exists in the universe that is unrelated to good or to truth. Everything to do with use and life is related to good, whereas everything to do with doctrine and knowledge, in particular concerning use and life, is related to truth. Or what amounts to the same, that which belongs to the will is called good or evil, whereas that which belongs to the understanding is referred to as truth or falsity. Good therefore, being that alone which is the expression of love and charity and which flows in from the Lord, is celestial, whereas truth, being that which springs from good, is spiritual. The reason 'precious things' were given to the brother when 'vessels of silver, vessels of gold, and garments' were given to the sister when she became a bride was that the brother meant good in the natural man, and this good is enlightened when truth is introduced into good in the rational. Indeed this is the origin of all enlightenment of good and truth in the natural man.