It WOULD be good to have a healthy fear of self-righteousness. I pray that you will get one. That would mean that you recognize that God--not you--is the one who alone knows the hearts of these people. They are delighting in JESUS, not demons, singing praises to God Most High, they are proclaiming HIS word (if you listen to what the guy says in the second clip, it IS the Bible they are proclaiming while people are worshipping.) He's saying it's not just about knowing it, not ONLY about studying it, but getting it INTO you. FYI--that's what JESUS said when he said "IF you abide (ARE ALIVE IN) me and my word abides (IS ALIVE IN) you..." We MUST get beyond head knowledge. We must be able to Know AND experience the WORD (WHO IS A PERSON, by the way) So this guy has the Words of Jesus AND he's living it! Incidentally, you say you will follow "Only the words of our Lord Jesus." You yourself just added to the words of Jesus by giving yourself permission to judge the hearts of these individuals. Reality check: EVERY time you go to church, the preacher adds to the words of Jesus. Every time you talk with your friends about God or have a discussion on the Bible, you are adding your own understanding and perspective. Hopefully much of it is in line with the truth. But all of us will get to heaven and discover we got some things wrong.