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The Historic Faith
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Question 8
Using Jesus’ words “the spirit indeed is willing, but the flesh is weak,” David quotes Tertullian: “Why do we offer our weak part as our defense? Should we not rather look at our strong part?”—what excuses do Christians commonly make today that this rebuke exposes, and what would repentance look like in those specific patterns?
Another way to ask: Tertullian says we shouldn’t use our weak flesh as an excuse but look to our stronger part instead. What common excuses do Christians make today that this calls out, and what would real repentance look like in those exact areas?

Direct Answer Bercot uses Tertullian to confront the habit of excusing sin by appealing to weakness (“my flesh”) while ignoring that the spirit is “strong” and “willing.” Repentance, in his framing, looks like choosing to yield to the stronger, Godward part rather than treating weakness as a moral alibi.

Support from Transcript:

  • Jesus’ words are quoted: “The Spirit indeed is willing, but the flesh is weak,” which Bercot says many never noticed deeply.
  • Tertullian: “We read that the flesh is weak, and we thereby soothe our consciences at times,” exposing excuse-making.
  • Tertullian insists both halves matter: “Yet we also read that the Spirit is strong, for both expressions occur in the same sentence.”
  • He contrasts natures: “Flesh is an earthly material. Spirit is a heavenly one,” and asks, “Why do we offer our weak part as our defense?”
  • He presses responsibility: “it is our own fault if we follow the weaker of the two.”
  • Bercot’s broader framework supports repentance as choice: the soul can “choose to rebel… and link itself with…flesh” or follow spirit.
Discussion Follow-ups What are your church’s most common “soothing” phrases—stress, trauma, personality, “that’s just how I am”? What daily disciplines would embody “the earthly yields to the heavenly,” especially in recurring sins?