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Luke 5:31-32 states " And Jesus said unto them, They that are whole need not a physician; but they that are sick. I came not to call the righteous, but sinners to repentance.
If you feel bad and make a trip to see your physician, when you get into his office you tell him all about your symptoms. You may tell him how you feel at that moment, when the symptoms began and if you are feeling any better or worse since your symptoms began. You even tell him your expected outcome (I just want to feel better). You may even tell him what you have already tried ( I have taken some over-the-counter medications but it has not helped). If you do not tell your physician about ALL your symptoms you feel he may not be able to serve you adequately so therefore you leave out nothing. I am not implying that God does not know your specific needs. He knows even before you ask. I feel repentance is more for you. Repentance allows you to see, recognize, acknowledge, free yourself of your sins. If I state my specific sin then I am admitting that it is BIGGER than me and without your help LORD, I am not able to overcome it. So, you would not go in your physicians office and state general reasons why you are there because you need help. Consider God to be your physician.
Acts 3:19 "Repent ye therefore, and be converted, that your sins may be blotted out, when the times of refreshing shall come from the presence of the Lord;"