is Acts 20 Scripture? is John the beloved a creditable source of information? because he said the Lord's day, but did not connect it to Sabbath. now John, a jewish man, would have certainly said Sabbath if he meant Sabbath.
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SIN is the breaking of God's Commandments (James 2:9-11; Romans 7:7; 1 John 3:4)
Those who CONTINUE in UNREPENTANT SIN will NOT enter into the KINGDOM of HEAVEN.
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God's 4th commandment is one of the ten (Exodus 20:8-11) If we knowingly break it when God asks us not to we stand guilty before God of committing sin (James 2:8-12).
If we do not seek him in repentance and forgiveness we are in danger of the Judgement (Hebrews 10:26-27)
Sunday worship is a tradition and teaching of man that has led many to break the commandments of God.
Jesus says that if we follow the traditions of man that break the commandments of God we are not following God (Matthew 15:3-9)
There is not one scripture in all of God's Word that says that God's 4th Commandment is now ABOLISHED and we are now commanded to KEEP Sunday as a Holy day.
Who should we follow the teachings and traditions of men or the Word of God? Who should we believe the Words of men or the Word of God?
In times of ignorance God winks at but now ,<when a KNOWLEDGE of the truth has come> calls all men everywhere to REPENT (FOLLOW) (Acts 17:30-31).