Who said “You can judge the quality of their faith from the way they behave. Discipline is an…”?

Verified

Tertullian. A published source records them saying or writing it.

SourceThe Prescriptions Against the Heretics as translated by Stanley Lawrence Greenslade, in Early Latin Theology: Selections from Tertullian, Cyprian, Ambrose, and Jerome (1956), p. 63

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“You can judge the quality of their faith from the way they behave. Discipline is an index to doctrine.”
— Tertullian
VerifiedThe Prescriptions Against the Heretics as translated by Stanley Lawrence Greenslade, in Early Latin Theology: Selections from Tertullian, Cyprian, Ambrose, and Jerome (1956), p. 63 · evidenceDiscipline

Cite this quote

For academic work, cite the original where you can: The Prescriptions Against the Heretics as translated by Stanley Lawrence Greenslade, in Early Latin Theology: Selections from Tertullian, Cyprian, Ambrose, and Jerome (1956), p. 63.

APA

Tertullian (n.d.). You can judge the quality of their faith from the way they behave. Discipline is an index to doctrine. [Quotation]. Famous Quotations Network. Retrieved October 24, 2026, from https://www.famous-quotations.com/quotes/3022-you-can-judge-the-quality-of-their-faith/

MLA

Tertullian. “You can judge the quality of their faith from the way they behave. Discipline is an index to doctrine.” Famous Quotations Network, https://www.famous-quotations.com/quotes/3022-you-can-judge-the-quality-of-their-faith/. Accessed 24 Oct. 2026.

Chicago

Tertullian. “You can judge the quality of their faith from the way they behave. Discipline is an index to doctrine.” Famous Quotations Network. Accessed October 24, 2026. https://www.famous-quotations.com/quotes/3022-you-can-judge-the-quality-of-their-faith/.

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