purify my heart let me be as gold and precious silver purify my heart let me be as gold pure gold refiner s fire my heart s one desire is to be holy set apart for you lord i choose to be holy set apart for you my master ready to do your will purify my heart cleanse me from within and make me holy purify my heart cleanse me from my sin deep within refiner s fire my heart s one desire is to be holy set apart for you lord i choose to be holy set apart for you my master ready to do your will refiner s fire my heart s one desire is to be holy set apart for you lord i choose to be holy set apart for you my master ready to do your will