If any man will do his will, he shall know of the doctrine, whether it be of God, or {whether} I speak of myself.
If anyone desires to do his will, he will know about the teaching, whether it is from God, or if I am speaking from myself.
εαν τις θελη το θελημα αυτου ποιειν γνωσεται περι της διδαχης ποτερον εκ του θεου εστιν η εγω απ εμαυτου λαλω
ean tis thelē to thelēma aytoy poiein gnōsetai peri tēs didachēs poteron ek toy theoy estin ē egō ap emaytoy lalō