Great Book: "Stranger in a Strange Land" by Robert Heinlein. He invented the word GROK. Which means to understand in a extremely deep level. Like the feeling you get reading Haiku on LSD.

https://en.wikipedia.org/wiki/Stranger_in_a_Strange_Land

Popular Science fiction book exploring communal living and understanding. Looks at Human Culture from a "Martian" perspective... In an era when people were questioning Religion and The Fundamental Nature of Reality... it was a Great Book.

The Water Sharing ritual has become part of the Burning Man Experience... In a place where water is precious... sharing is a spiritual experience...

GROK