What does Elizabeth mean when she says He have his goodness now God forbid you take it from him?

Since Proctor refused to make his confession public, the authorities have decided it will not be accepted. He will hang as if he had not confessed. Proctor regains his goodness by accepting his death by hanging rather than becoming an accomplice to the misguided authorities and by holding to the truth that he was not in partnership with the devil.

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I think it means that Proctor has nowrequiredthe goodness that he lost during his affair and has now redeemed himself. He has purified himself now, relating to the idea of crucible imagery (see below)

A crucible was a vessel containing molten metals, which were good AND bad materials. These were heated so that only the pure metal remains to be tapped off. This links to purging/purifying souls