Proverbs 4:23 

Above all else, guard your heart, for everything you do flows from it.

Psalms 115:1

Not to us, LORD, not to us but to your name be the glory, because of your love and faithfulness.

Psalms 117:1-2

Praise the LORD, all you nations; extol him, all you peoples. For great is his love toward us, and the faithfulness of the LORD endures forever.