And in his exposition of these doctrines of the two pietists, Ritschl confesses (op. cit., iii., § 46) that both witnesses have with these doctrines contributed something to Protestantism that is of like value with the theological method of Spener, another pietist.
Eta pietista bien doktrina hauek azaltzean, Ritschlek aitortzen duenez (aip. lib., III, 46. §), lekuko biek, beren doktrina horien bidez, Spencerren, beste pietista baten, metodo teologikoak bezainbateko balioa duen zerbait lortu zuten protestantismorako.