testimony is especially in view, to match the visible one of Matthew 5:14–16. While their witness will evoke violent hostility from some (5:11–12), others will find it a life-giving savor—as present believers can attest.13 Let disciples beware lest they ‘become tasteless’ (5:13). The Greek is mōranthē, a term that primarily means ‘to become foolish.’14 When disciples fail to embody and impart the wisdom Jesus has built into them, they cease to attract and influence non-believers. Indeed, as the foolish
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