NET
4 You must serve me with integrity and sincerity, just as your father David did. Do everything I commanded and obey my rules and regulations.
Darby
4 And [as for] thee, if thou wilt walk before me, as David thy father walked, in integrity of heart, and in uprightness, to do according to all that I have commanded thee, [and] wilt keep my statutes and mine ordinances;
KJV
4 And if thou wilt walk before me, as David thy father walked, in integrity of heart, and in uprightness, to do according to all that I have commanded thee, [and] wilt keep my statutes and my judgments: