Mark 12:29-31

New Revised Standard Version, Anglicised Catholic Edition

²⁹ Jesus answered, ‘The first is, “Hear, O Israel: the Lord our God, the Lord is one; ³⁰ you shall 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 The second is this, “You shall love your neighbour as yourself.” There is no other commandment greater than these.’