The need to rightfully divide the word is essential - otherwise you will teach a gospel of works ie repentance which is also poorly defined word to boot
We need to be wise to understand what tricks the devil is playing - the most dangerous is to change the gospel and since we are trusting people he does it by tricking pastors with what appears to be a noble cause
We find ourselves at least once in our lives where we realize we have done wrong. This may seem as a surprise but we can use it as a wake up call to find God