SOME protestants think are allowed to interpret the Word of God as they wish just as SOME Catholics think they are allowed to interpret the Word of God.
Holy Spirit will guide in all truth. A Spirit-filled believer does not need a Pope or a Preacher dictating what he should believe.
JOHN 16:13
But when He, the Spirit of truth, comes, He will guide you into all the truth. He will not speak on his own; He will speak only what He hears, and He will tell you what is yet to come.
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So how do "Spirit-filled believers" know that they are on the right track? Does the Holy Spirit TELL them so?
Do they, the "Spirit-filled believers," NEVER get it even SLIGHTLY wrong? Do they, the "Spirit-filled believers," ALWAYS get it right?
Do you include the "Spirit-filled believers" who are illiterate? Blind? Deaf? Mute? Incarcerated?
Just curious.
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By the way: if some Catholics believe that they are allowed to interpret the Word of God as they wish, then they are NOT Catholics. They are heretics.