There isn’t a direct quote to point you to and I am sure you have seen the long dissertations from others, regarding the Trinity.
It is implied, through a series of verses.
I once saw a sonnet, a poem or something that explained it in less than 30 seconds but I can’t recall the article.
I would explain it myself this evening but I have only been good for one liners tonight. I am just plain tired and making myself stay up.
See you around.
See you. Have a good sleep.