Luke 8:15
But that on the good ground are they, which in an honest and good heart, having heard the word, keep it, and bring forth fruit with patience.
Nave's Topical Index—AKJV

Acts 2:46
And they, continuing daily with one accord in the temple, and breaking bread from house to house, did eat their meat with gladness and singleness of heart,
Nave's Topical Index—AKJV

Ephesians 6:5
Servants, be obedient to them that are your masters according to the flesh, with fear and trembling, in singleness of your heart, as to Christ;
Nave's Topical Index—AKJV

Colossians 3:22
Servants, obey in all things your masters according to the flesh; not with eye-service, as men pleasers; but in singleness of heart, fearing God;
Nave's Topical Index—AKJV

Hebrews 10:22
Let us draw near with a true heart in full assurance of faith, having our hearts sprinkled from an evil conscience, and our bodies washed with pure water.
Nave's Topical Index—AKJV