sentence1: 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.
sentence2: εαν τις θελη το θελημα αυτου ποιειν γνωσεται περι της διδαχης ποτερον εκ του θεου εστιν η εγω απ εμαυτου λαλω