The great commission is kinda more interesting if you read it in the context of a conquering king. Let me phrase it with commentary.
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18 Then Jesus came to them and said, “All authority in heaven and on earth has been given to me.
(Jesus came to them and said , I rule everything in heaven and on earth)
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19 Therefore go and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit,
( Go to the world , and make citizens of my kingdom out of everyone in every nation through baptism)
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20 and teaching them to obey everything I have commanded you. And surely I am with you always, to the very end of the age.”
(Make sure that every conquered nation - obeys and does everything I command - and I will be with you until the end of time.)
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18 Then Jesus came to them and said, “All authority in heaven and on earth has been given to me.
(Jesus came to them and said , I rule everything in heaven and on earth)
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19 Therefore go and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit,
( Go to the world , and make citizens of my kingdom out of everyone in every nation through baptism)
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20 and teaching them to obey everything I have commanded you. And surely I am with you always, to the very end of the age.”
(Make sure that every conquered nation - obeys and does everything I command - and I will be with you until the end of time.)