7009. 'And it will happen, that he will be for you as a mouth' means the truth contained in doctrinal teachings, which also goes forth from the Lord in an indirect way. This is clear from the representation of Aaron, who 'will be for Moses as a mouth', as doctrinal teachings, dealt with in 6998; and from the meaning of 'being for Moses as a mouth' as the utterance or declaration of it, dealt with in 6987. The reason why the words of explanation are 'the truth contained in doctrinal teachings, which also goes forth from the Lord in an indirect way' is that the truth contained in doctrinal teachings, which 'Aaron' represents, is the kind of truth that can be heard and discerned by angels and by men. Such truth is what goes forth in an indirect way from the Lord. But the kind of truth that is represented by 'Moses' goes forth directly from the Lord, and cannot be heard or discerned by men, nor even by angels, see 6982, 6985, 6996, 7004.

6982. 'I am not a man of words' means that he is lacking in speech. This is clear from the meaning of 'a man of words' as the fact that he is not an able speaker, and so is lacking in speech. What all this entails must be stated. The subject here in the highest sense is the Lord, for 'Moses' represents the Lord in respect of the law of God, thus in respect of God's truth. Truth that goes forth directly from the Divine cannot be heard by anyone, not even by any angel; if what is Divine is to be heard it must first be made human, and it is made human when it passes through the heavens. When it has passed through the heavens it is presented in a human form and becomes speech, speech which is uttered by spirits who, while they are in that state, are called the Holy Spirit. But the Holy Spirit is said to come forth from the Divine because what is holy with a spirit, namely the holy truth uttered by him at that time, comes forth from the Lord. From all this one may recognize that truth coming forth directly from the Divine cannot be presented to anyone as spoken word or speech except by means of the Holy Spirit. This is what is meant in the highest sense when Moses, who represents the Lord in respect of God's truth, says that he is 'not a man of words', and by the fact that Aaron his brother was to be attached to him; Aaron was to serve him in place of his mouth, and he was to serve Aaron in God's place.