• WordNet 3.6
    • n logion a saying of Jesus that is regarded as authentic although it is not recorded in the Gospels
    • ***
Century Dictionary and Cyclopedia
    • n logion A saying or maxim, as of a teacher, handed down traditionally: specifically used with reference to sayings attributed to Jesus. Collections of such sayings are supposed to have existed in the first century. Fragments of such a collection, ascribed to the third century or earlier, have been discovered in Egypt.
    • ***


In literature:

Vs. 28 sounds like a genuine logion, with vss.
"Sources of the Synoptic Gospels" by Carl S. Patton