Bible Verses About Unity of God: A ground for loving him supremely

`Hear, O Israel, Jehovah our God is one Jehovah;

and thou hast loved Jehovah thy God with all thy heart, and with all thy soul, and with all thy might,

and Jesus answered him--`The first of all the commands is , Hear, O Israel, the Lord is our God, the Lord is one;

and thou shalt love the Lord thy God out of all thy heart, and out of thy soul, and out of all thine understanding, and out of all thy strength--this is the first command;