Most scholars, however, believe that the appendix is not by Tertullian but was added later; it is therefore attributed to a Pseudo-Tertullian.
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The work is also known as On the Detection and Overthrow of the So-Called Gnosis.
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Panarion (medicine-chest), also a work in opposition to heresies, written in the 300s by Epiphanius of Salamis.
Based on conversation with an unnamed Latin scholar, William Helmcke added that it could also be based on a passage from Irenaeus's Adversus Haereses (Against Heresies): sine initio et sine fine, vere et semper idem et eodem modo se habens solus est Deus ("Without beginning and without end, only God continues truly and always the same and in the same way").