Mature knowledge of God per Isaac the Syrian
In Ascetical Homilies III/11, Isaac addresses the nature of the knowledge of God as it existed over the course of three ages. In the first age, there was no knowledge or remembrance of God at all. In the second age, presumably the one of the election of the people of Israel but prior to the coming of Christ, there was a knowledge of God but Isaac calls it childish. Our understanding post-Christ, however, is more mature, better, higher: We however are renewed in our minds by a new knowledge which was not revealed [to previous generations] . That is why we understand now the Nature which has no beginning, nor limit, whereas those [previous generations] still had a childish thinking with regards to God, believing about Him that He is strict, that He is vengeful, that He repays, that He is just in repaying, that He is wrathful, that He becomes angry, that He remembers the sins of the parents in dealing with their children's children. For we have a better un...