Ok, I have a couple that quickly come to mind. One was a lesson in racism. I don't even really consider myself that racist (a lot of my friends are significantly more racist), but regardless, DMT seemed to feel it was in order. My brother had just got engaged to an Asian woman which I was completely fine with, but as a note this was the first interracial marriage on either side of the family, so I considered it interesting at the least. So I'm vaping alone in my apartment, close my eyes, and find myself in the middle of a living area of a small, quaint and neat oriental house. There was what appeared to be a small bowl of rice and a cup of tea on the low table. There was a voice talking to me in English but with a very heavy Asian accent. I had the feeling that this out-of-sight entity was an old, wise, feminine presence. I can't remember exactly what she said other than it was like it was a pre-packaged lesson in racism that unfolded so perfectly.
Another lesson I received was in the mechanics of interdimensional geometry, and how they make those nifty shifts and folds through each other. There seem to be two main components to this multidimensional movement. First of all, the "stuff" that makes up these objects, whether it be light or whatever it is, can have two things occupying the same space at the same time. More importantly, there is a very clever manipulation of a foreground and background/behind-the-scenes. The foreground is everything that you can see in the experience. It's what you're meant to see. If it were a theatre production, it would be everything on stage that's in front of the curtain concealing backstage, except you're not even supposed to realize that there is a backstage in this case. If you can get a behind-the-scenes view in hyperspace as the entities showed me in this geometry lesson, you would see that as part of a hologram moves in the foreground, it's because part of it has moved to the background while smoothly moving part of what was in the background into the foreground. To the observer, this all appears as seamless fluid motion. It's been brought to my attention by someone with a similar experience that the foreground/background is akin to juxtaposed dimensions.
"Science without religion is lame. Religion without science is blind" - Albert Einstein
"The Mighty One appears, the horizon shines. Atum appears on the smell of his censing, the Sunshine- god has risen in the sky, the Mansion of the pyramidion is in joy and all its inmates are assembled, a voice calls out within the shrine, shouting reverberates around the Netherworld." - Egyptian Book of the Dead
"Man fears time, but time fears the Pyramids" - 9th century Arab proverb