Wow nothing!
I have read the word all of my life, and can see false doctrine being foisted on those seeking truth.
Every corporate church I have ever attended has advanced a mixed message of the ideas of men mixed with just enough misused scripture to fool those that wish to be fooled.
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As we noted earlier, falling into error is nothing new, for even the churched do fall into error. Look at yourself! Contradicting Paul is not a good road to travel, yet there are many.