وَآفةُand the bane التِبرِuncoined gold ضِعفُweakness مُنتَقِدَهits assayer
وَآفةُ التِبرِ ضِعفُ مُنتَقِدَه
And gold’s bane is the weakness of its assayer.
The vice of virtue is the weakness of its critic
Claude 2 is inferred from the historical translator configuration. The original record does not identify its model.