American Standard Version (ASV):
if thou shalt obey the voice of Jehovah thy God, to keep his commandments and his statutes which are written in this book of the law; if thou turn unto Jehovah thy God with all thy heart, and with all thy soul.
King James Version (KJV):
If thou shalt hearken unto the voice of the LORD thy God, to keep his commandments and his statutes which are written in this book of the law, [and] if thou turn unto the LORD thy God with all thine heart, and with all thy soul.