Deuteronomy 30:10

if thou shall obey the voice of LORD thy God, to keep his commandments and his statutes which are written in this book of the law; if thou turn to LORD thy God with all thy heart, and with all thy soul.

Deuteronomy 4:29

But from there ye shall seek LORD thy God. And thou shall find him when thou search after him with all thy heart and with all thy soul.

Deuteronomy 30:2

and shall return to LORD thy God, and shall obey his voice according to all that I command thee this day, thou and thy sons, with all thy heart, and with all thy soul,

Deuteronomy 30:8

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

Nehemiah 1:9

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

Isaiah 55:2-3

Why do ye spend money for that which is not bread, and your labor for that which does not satisfy? Hearken diligently to 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 LORD.

Ezekiel 18:21

But if a wicked man turns from all his sins that he has committed, and keeps all my statutes, and does that which is lawful and right, he shall surely live. He shall not die.

Ezekiel 33:11

Say to them, As I live, says lord LORD, I have no pleasure in the death of the wicked man, but that the wicked man 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 to the wicked man, Thou shall surely die, if he turns from his sin, and does that which is lawful and right,

Ezekiel 33:19

And when the wicked man turns from his wickedness, and does that which is lawful and right, he shall live thereby.

Acts 3:19

Repent ye therefore, and be converted in order to wipe away your sins, so that times of refreshing may come from the presence of the Lord.

Acts 26:20

but declaring first to those at Damascus and then at Jerusalem, and in all the region of Judea, and to the Gentiles, to repent and return to God, doing works worthy of repentance.

1 Corinthians 7:19

Circumcision is nothing and uncircumcision is nothing, instead, the keeping of God's commandments.

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 shall return to LORD thy God, and shall obey his voice according to all that I command thee this day, thou and thy sons, with all thy heart, and with all thy soul,
Isaiah 55:2
Why do ye spend money for that which is not bread, and your labor for that which does not satisfy? Hearken diligently to 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, instead, the keeping of God's commandments.

Turn unto

Nehemiah 1:9
but if ye return to me, and keep my commandments and do them, though your outcasts were in the outermost part of the heavens, yet I will gather them from there, and will bring them to the place that I have chosen, to cause my name
Lamentations 3:40
Let us search and try our ways, and turn again to LORD.
Ezekiel 18:21
But if a wicked man turns from all his sins that he has committed, and keeps all my statutes, and does that which is lawful and right, he shall surely live. He shall not die.
Ezekiel 33:11
Say to them, As I live, says lord LORD, I have no pleasure in the death of the wicked man, but that the wicked man 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 be converted in order to wipe away your sins, so that times of refreshing may come from the presence of the Lord.
Acts 26:20
but declaring first to those at Damascus and then at Jerusalem, and in all the region of Judea, and to the Gentiles, to repent and return to God, doing works worthy of repentance.