Reference for Pesachim 47:8

אי מה כאן בשריפה אף כל איסורין שבתורה בשריפה אמר קרא הנותר הנותר בשריפה ואין כל איסורין שבתורה בשריפה

If so, just as here [it must be destroyed] by burning, so all the forbidden things of the Torah [must b destroyed] by burning? -Scripture saith, 'then thou shalt burn the [nothar] remainder: nothar requires burning, but all [other] forbidden things of the Torah do not require burning. Yet does this [verse] 'it shall not be eaten' come for this [teaching]? Surely it is required for R'Eleazar [dictum]! For R'Eleazar said: 'it shall not be eaten, because it is holy': whatever of holy [flesh.

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