[The Ad Martyras is probably Tertullian's earliest work, as being written at the very commencement of the persecution, before any had actually suffered martyrdom ; for had any so suffered, Tertullian would naturally, in his exhortation to the rest, have referred to them. The allusion, then, c. 6. fin. to the deaths on occasion of Albinus, fixes it A.D. 197. See above, notice on the Apology.]

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