The second you attempt to imagine or describe this direct experience, you've already moved away from it, it's already losing authenticity.
The greatest truths cannot be spoken and must be directly experienced.
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What Krishnamurti is saying, is that little “ separate “ observing “ eye “ in our head ( with its likes and dislikes - which we view the world via ) is the observed. The observer and the object do not become one, instead if the observer is the observed ( which is to end duality) then the action of the observer ( which is to view an object as/via memory as/via experience) ceases. So in a way one views the object as the now in the moment as anew. There is no separate action to the observation of the object just the observation of the object. That’s all !
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instead of identifying merely with the observer in our subjective experiences to recreate/filter the world around us, we transcend beyond that space/time to directly experience being here now! This sounds like spiritual transcendence, beyond the selves of conscious beings into existence itself being observed!