[Archelaus (a.d. 280), Bishop of Carrha in Mesopotamia, classes his countryman Tatian with “Marcion, Sabellius, and others who have made up for themselves a peculiar science,” i.e., a theology of their own.— Routh: Reliquiæ, tom. v. p. 137. But see Edinburgh Series of this work, vol. xx. p. 267.]
Source: Fragments (New Advent)