1 Kings 8:61
Let your heart therefore be perfect with the LORD our God, to walk in his statutes, and to keep his commandments, as at this day.
Torrey's Topical Textbook—AKJV

Psalm 101:2
I will behave myself wisely in a perfect way. O when will you come to me? I will walk within my house with a perfect heart.
Torrey's Topical Textbook—AKJV