Thematic Bible: Who is true

So Jesus replied, "My teaching is not from me, but from the one who sent me. If anyone wants to do God's will, he will know about my teaching, whether it is from God or whether I speak from my own authority. The person who speaks on his own authority desires to receive honor for himself; the one who desires the honor of the one who sent him is a man of integrity, and there is no unrighteousness in him.

But whoever has the world's possessions and sees his fellow Christian in need and shuts off his compassion against him, how can the love of God reside in such a person? Little children, let us not love with word or with tongue but in deed and truth. And by this we will know that we are of the truth and will convince our conscience in his presence, read more.
that if our conscience condemns us, that God is greater than our conscience and knows all things. Dear friends, if our conscience does not condemn us, we have confidence in the presence of God,

Dear friends, do not believe every spirit, but test the spirits to determine if they are from God, because many false prophets have gone out into the world. By this you know the Spirit of God: Every spirit that confesses Jesus as the Christ who has come in the flesh is from God,