'Sayings' denotes persuasion. When related to Jehovah, 'sayings' signify informing or instructing.

(Ссылки: Arcana Coelestia 4478)

5473. 'Did I not say to you, saying' means the degree of perception from there. This is clear from the meaning of 'saying' in the historical narratives of the Word as perception, dealt with in 1791, 1815, 1819, 1822, 1898, 1919, 2080, 2619, 3509. And since the verb 'say' is used twice here, as well as immediately before this, it is the degree of perception that is meant.