John 7:17
King James Version
If any man will do his will, he shall know of the doctrine, whether it be of God, or whether I speak of myself.
Berean Standard Bible
If anyone desires to do His will, he will know whether My teaching is from God or whether I speak on My own.
World English Bible
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.