I still don’t see your point. Neither citation explains the workings of the Trinity. If anything, they explain that that particular knowledge is something beyond human need but by the power of the Holy Spirit you understand the things that are needful.
I can identify with the Ephesians passage in personal spiritual and mind and heart felt experience. I associate the Eph passage very much with the mechanics of the workings between the three persons of the Godhead, just as I can witness the synchronicity of my recent studies and their lapses in this discussion.
Perhaps I am more sensitive to the explicit meanings in the words being used as I’ve been recently absorbed in word studies in Biblical epistemology, but I do perceive God intends for us to have these things available to our full understanding.
The contrapositive also provides enormous grounds for antichristian doctrines in various distorted contexts. There are probably for greater number of philosophers and theologians who are not Christian, but who might be theists, who argue God is unknowable.