In the first place, it seems to have overcome the tendency of Logos theology to produce Docetism.
"Landmarks in the History of Early Christianity"
Kirsopp Lake
It seems to have been the pressure of recognised fact, which had not yet been forgotten, which made the writer of the Fourth Gospel and of the First Epistle of John protest so strongly against Docetism.
"Landmarks in the History of Early Christianity"
Kirsopp Lake