for it was not knowledge but unity that she desired, not inscriptions on tablets, nothing that could be written in any language known to men, but intimacy itself, which is knowledge
Understanding that which is foreign to you is fundamental to cultivating a sense of connection and unity with one another. We are ultimately trying to accomplish the same thing, which is survival and the thriving of a better world.
Chemistry ceases to improve when one element is found from which all others are deductible. Physics ceases to progress when one force is found of which all others are manifestations. So religion ceases to progress when unity is reached, which is the case with Hinduism.