Deuteronomy 30:10

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.

Deuteronomy 4:29

But from thence ye shall seek Jehovah thy God, and thou shalt find him, when thou searchest after him with all thy heart and with all thy soul.

Deuteronomy 30:2

and shalt return unto Jehovah thy God, and shalt obey his voice according to all that I command thee this day, thou and thy children, with all thy heart, and with all thy soul;

Deuteronomy 30:8

And thou shalt return and obey the voice of Jehovah, and do all his commandments which I command thee this day.

Nehemiah 1:9

but if ye return unto me, and keep my commandments and do them, though your outcasts were in the uttermost part of the heavens, yet will I gather them from thence, and will bring them unto the place that I have chosen, to cause my name to dwell there.

Isaiah 55:2-3

Wherefore do ye spend money for that which is not bread? and your labor for that which satisfieth not? hearken diligently unto me, and eat ye that which is good, and let your soul delight itself in fatness.

Lamentations 3:40-41

Let us search and try our ways, and turn again to Jehovah.

Ezekiel 18:21

But if the wicked turn from all his sins that he hath committed, and keep all my statutes, and do that which is lawful and right, he shall surely live, he shall not die.

Ezekiel 33:11

Say unto them, As I live, saith the Lord Jehovah, I have no pleasure in the death of the wicked; but that the wicked turn from his way and live: turn ye, turn ye from your evil ways; for why will ye die, O house of Israel?

Ezekiel 33:14

Again, when I say unto the wicked, Thou shalt surely die; if he turn from his sin, and do that which is lawful and right;

Ezekiel 33:19

And when the wicked turneth from his wickedness, and doeth that which is lawful and right, he shall live thereby.

Acts 3:19

Repent ye therefore, and turn again, that your sins may be blotted out, that so there may come seasons of refreshing from the presence of the Lord;

Acts 26:20

but declared both to them of Damascus first and at Jerusalem, and throughout all the country of Judaea, and also to the Gentiles, that they should repent and turn to God, doing works worthy of repentance.

1 Corinthians 7:19

Circumcision is nothing, and uncircumcision is nothing; but the keeping of the commandments of God.

Treasury of Scripture Knowledge

Summary

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.

Bible References

Hearken unto

Deuteronomy 30:2
and shalt return unto Jehovah thy God, and shalt obey his voice according to all that I command thee this day, thou and thy children, with all thy heart, and with all thy soul;
Isaiah 55:2
Wherefore do ye spend money for that which is not bread? and your labor for that which satisfieth not? hearken diligently unto me, and eat ye that which is good, and let your soul delight itself in fatness.
1 Corinthians 7:19
Circumcision is nothing, and uncircumcision is nothing; but the keeping of the commandments of God.

Turn unto

Nehemiah 1:9
but if ye return unto me, and keep my commandments and do them, though your outcasts were in the uttermost part of the heavens, yet will I gather them from thence, and will bring them unto the place that I have chosen, to cause my name to dwell there.
Lamentations 3:40
Let us search and try our ways, and turn again to Jehovah.
Ezekiel 18:21
But if the wicked turn from all his sins that he hath committed, and keep all my statutes, and do that which is lawful and right, he shall surely live, he shall not die.
Ezekiel 33:11
Say unto them, As I live, saith the Lord Jehovah, I have no pleasure in the death of the wicked; but that the wicked turn from his way and live: turn ye, turn ye from your evil ways; for why will ye die, O house of Israel?
Acts 3:19
Repent ye therefore, and turn again, that your sins may be blotted out, that so there may come seasons of refreshing from the presence of the Lord;
Acts 26:20
but declared both to them of Damascus first and at Jerusalem, and throughout all the country of Judaea, and also to the Gentiles, that they should repent and turn to God, doing works worthy of repentance.

American Standard Version Public Domain