Why?
The Great Commandment
Mark 12:29-31
29 . . .'Hear, O Israel, the Lord our God, the Lord is one. 30 Love the Lord your God with all your heart and with all your soul and with all your mind and with all your strength'. . . 31 'Love your neighbor as yourself.'There is no commandment greater than these." The Great Commission
Matthew 28:18-20
18 . . . "All authority in heaven and on earth has been given to me. 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, 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."