If that were so then NO ONE can call themselves Christian.” <<
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You didn't read 1John far enough!
He blew that ridiculous lie to hell where it belongs.
1John 5:
[2] By this we know that we love the children of God,
[3] For this is the love of God, that we keep his commandments: and his commandments are not grievous.
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RE: For this is the love of God, that we keep his commandments: and his commandments are not grievous.
Yes, that’s the attitude of the true Christian, if you love God you will DESIRE to keep His commandments, but I don’t think he means that a Christian can keep God’s commandment PERFECTLY at all.
We are still sinners while we live on earth ( Romans 7 ), and we struggle with our sinful nature even after being born again.