10 if you obey the LORD your God and keep his commands and decrees that are written in this Book of the Law and turn to the LORD your God with all your heart and with all your soul.

Read Deuteronomy 30:10 Using Other Translations

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.
when you obey the voice of the LORD your God, to keep his commandments and his statutes that are written in this Book of the Law, when you turn to the LORD your God with all your heart and with all your soul.
The LORD your God will delight in you if you obey his voice and keep the commands and decrees written in this Book of Instruction, and if you turn to the LORD your God with all your heart and soul.