Library Hippolytus Refutation of All Heresies
Book 10
Chapter 18: The Ebionaeans
But the Ebionaeans assert that the world is made by the true God, and they speak of Christ in a similar manner with Cerinthus. They live, however, in all respects according to the law of Moses, alleging that they are thus justified.
English translation by J.H. MacMahon, in Ante-Nicene Fathers, Vol. V (eds. Alexander Roberts and James Donaldson; Buffalo: Christian Literature Publishing Co., 1886). Public domain. Digital text via New Advent Church Fathers.