34 For he whom God hath sent speaketh the words of God: for God giveth not the Spirit by measure unto him.
There is no mistake in hearing God's word when one opens their New Testament and reads the words of Jesus.
John 7
16 Jesus answered them, and said, My doctrine is not mine, but his that sent me.
For those of us who hunger to hear God's voice, we can hear it loud and clear in the written words of Christ.