Origen Against Celsus V3

But observe what he alleges as a proof of his statement: Christians at first were few in number, and held the same opinions; but when they grew to be a great multitude, they were divided and separated, each wishing to have his own individual party: [4] for this was their object from the beginning. That Christians at first were few in number, in comparison with the multitudes who subsequently became Christian, is undoubted; and yet, all things considered, they were not so very few