Deuteronomy 30:10 in the King James Version
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.
Context
9 The LORD your God will make you prosperous in all the work of your hand, in the fruit of your body, in the fruit of your livestock, and in the fruit of your ground, for good; for the LORD will again rejoice over you for good, as he rejoiced over your fathers,
10 if you will obey the LORD your God’s voice, to keep his commandments and his statutes which are written in this book of the law, if you turn to the LORD your God with all your heart and with all your soul.
11 For this commandment which I command you today is not too hard for you or too distant.