<P> The New Testament generally asserts that all morality flows from the Great Commandment , to love God with all one 's heart , mind , strength , and soul , and to love one 's neighbour as oneself . In this , Jesus was reaffirming a teachings of Deut 6 : 4 - 9 and Lev 19 : 18 . Christ united these commands together and proposed himself as a model of the love required in John 13 : 12 , known also as The New Commandment . </P>
what is the basic principle of christian morality
all morality flows from the Great Commandment , to love God with all one 's heart , mind , strength , and soul , and to love one 's neighbour as oneself