"Einstein put time into our geometry with space (where it belongs) so... "Matter tells space-time how to bend and space-time tells matter how to move" [Ref: Wheeler]. ...Swami Vivekananda ...suggested to Tesla ...winter ...1895-96 ...matter is ... (E=m). Matter is wound up against space-time and space-time is wound up against [matter]."
January 1, 1970
https://en.wikiquote.org/wiki/John_Dobson_(amateur_astronomer)