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## Adipurana
**77.** A perception does not appear without an object. How can it be established without a cause, and what is the cause?
**78.** In your view, does one perception grasp another perception, or not? If it does, then your perception is not independent, as it has grasped another perception. This establishes the duality of perceiver and perceived, which contradicts the non-dual nature of perception.
**79.** If you say that one perception does not grasp another, then what is the basis for establishing the second perception, which is like a descendant? Perhaps you will establish it through inference. But then the existence of external objects like pots and cloths will also be established, because when you accept the inference with its subject and object, where is the non-dual nature of perception? Without it, you must accept the existence of external objects that are the subject of inference.
**80.** If the world is only perception, then all speech and knowledge would be false. Because if there are no external objects like pots and cloths, how can there be a distinction between truth and falsehood, such as "these words and knowledge are true, and these are false"?
**81.** When you use means like instruments, you must also accept the object that is different from the means. That object is the external object like pots and cloths. In this way, the existence of external objects besides perception is established. Therefore, your non-dualistic theory of perception is like the talk of children, pleasing only to the ears.
**82.** Thus, having refuted the theory of perception, he was ready to refute the theory of pure nothingness. He said, "In your theory of nothingness, are there words that establish nothingness, and is there knowledge arising from them, or not?" This creates two alternatives.
**83.** If you answer these alternatives by saying, "Yes, there are words that establish nothingness, and there is knowledge," then, unfortunately, you have been defeated. Because if there are words and knowledge, then how can there be nothingness?