In Ephesians 3:18, Paul appears to note four variables of dimension space. Was he referring to a tesseract with :”the breath, abd length, and depth, and height”? Might the ‘depth’ be understood like a tesseract?
Of all the Apostles, Paul was the most educated. Being a Pharisee, and trained to become a rabbi, he had the equivalent of a college education in the Judaic religion of his day.
He was appointed by Christ to be the Apostle to the Gentile nations, primarily the Greeks and Romans, for a reason. The Greeks and Romans , and Ephesus was a Greek city, were big on ‘logic and reason’ in their daily lives, and so were having a few difficulties with accepting the tenets new Christian religion.
In this passage, he is explaining to them that faith is the key to the kingdom and that key is love itself.
3:17:
17 That Christ may dwell in your hearts by faith; that ye, being rooted and grounded in love,
I doubt that Paul was referring to any higher order of things in the universe, he was just trying to make things as simple as possible to a people who depended on facts and hard evidence for their acceptance of ‘ the evidence of things not seen.’................