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.

2 Chronicles 15:4

But when in their distress they turned unto Jehovah, the God of Israel, and sought him, he was found of them.

Isaiah 55:6-7

Seek ye Jehovah while he may be found; call ye upon him while he is near:

Leviticus 26:39-42

And they that are left of you shall pine away in their iniquity in your enemies lands; and also in the iniquities of their fathers shall they pine away with them.

Deuteronomy 30:1-3

And it shall come to pass, when all these things are come upon thee, the blessing and the curse, which I have set before thee, and thou shalt call them to mind among all the nations, whither Jehovah thy God hath driven thee,

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.

1 Kings 8:47-48

yet if they shall bethink themselves in the land whither they are carried captive, and turn again, and make supplication unto thee in the land of them that carried them captive, saying, We have sinned, and have done perversely, we have dealt wickedly;

2 Kings 10:31

But Jehu took no heed to walk in the law of Jehovah, the God of Israel, with all his heart: he departed not from the sins of Jeroboam, wherewith he made Israel to sin.

Psalm 119:2

Blessed are they that keep his testimonies, That seek him with the whole heart.

Jeremiah 3:10

And yet for all this her treacherous sister Judah hath not returned unto me with her whole heart, but feignedly, saith Jehovah.

Jeremiah 3:12-14

Go, and proclaim these words toward the north, and say, Return, thou backsliding Israel, saith Jehovah; I will not look in anger upon you; for I am merciful, saith Jehovah, I will not keep anger for ever.

Jeremiah 29:12-14

And ye shall call upon me, and ye shall go and pray unto me, and I will hearken unto you.

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.

2 Kings 23:3

And the king stood by the pillar, and made a covenant before Jehovah, to walk after Jehovah, and to keep his commandments, and his testimonies, and his statutes, with all his heart, and all his'soul, to confirm the words of this covenant that were written in this book: and all the people stood to the covenant.

2 Chronicles 15:12

And they entered into the covenant to seek Jehovah, the God of their fathers, with all their heart and with all their soul;

2 Chronicles 15:15

And all Judah rejoiced at the oath; for they had sworn with all their heart, and sought him with their whole desire; and he was found of them: and Jehovah gave them rest round about.

2 Chronicles 31:21

And in every work that he began in the service of the house of God, and in the law, and in the commandments, to seek his God, he did it with all his heart, and prospered.

Psalm 119:10

With my whole heart have I sought thee: Oh let me not wander from thy commandments.

Psalm 119:58

I entreated thy favor with my whole heart: Be merciful unto me according to thy word.

Psalm 119:145

QOPH. I have called with my whole heart; answer me, O Jehovah: I will keep thy statutes.

Joel 2:12

Yet even now, saith Jehovah, turn ye unto me with all your heart, and with fasting, and with weeping, and with mourning:

Treasury of Scripture Knowledge

Summary

But if from thence thou shalt seek the LORD thy God, thou shalt find him, if thou seek him with all thy heart and with all thy soul.

Bible References

But if

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.
Leviticus 26:39
And they that are left of you shall pine away in their iniquity in your enemies lands; and also in the iniquities of their fathers shall they pine away with them.
2 Chronicles 15:4
But when in their distress they turned unto Jehovah, the God of Israel, and sought him, he was found of them.
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 55:6
Seek ye Jehovah while he may be found; call ye upon him while he is near:
Jeremiah 3:12
Go, and proclaim these words toward the north, and say, Return, thou backsliding Israel, saith Jehovah; I will not look in anger upon you; for I am merciful, saith Jehovah, I will not keep anger for ever.
Jeremiah 29:12
And ye shall call upon me, and ye shall go and pray unto me, and I will hearken unto you.

With all

Deuteronomy 30:1
And it shall come to pass, when all these things are come upon thee, the blessing and the curse, which I have set before thee, and thou shalt call them to mind among all the nations, whither Jehovah thy God hath driven thee,
1 Kings 8:47
yet if they shall bethink themselves in the land whither they are carried captive, and turn again, and make supplication unto thee in the land of them that carried them captive, saying, We have sinned, and have done perversely, we have dealt wickedly;
2 Kings 10:31
But Jehu took no heed to walk in the law of Jehovah, the God of Israel, with all his heart: he departed not from the sins of Jeroboam, wherewith he made Israel to sin.
2 Kings 23:3
And the king stood by the pillar, and made a covenant before Jehovah, to walk after Jehovah, and to keep his commandments, and his testimonies, and his statutes, with all his heart, and all his'soul, to confirm the words of this covenant that were written in this book: and all the people stood to the covenant.
2 Chronicles 15:12
And they entered into the covenant to seek Jehovah, the God of their fathers, with all their heart and with all their soul;
2 Chronicles 31:21
And in every work that he began in the service of the house of God, and in the law, and in the commandments, to seek his God, he did it with all his heart, and prospered.
Psalm 119:2
Blessed are they that keep his testimonies, That seek him with the whole heart.
Jeremiah 3:10
And yet for all this her treacherous sister Judah hath not returned unto me with her whole heart, but feignedly, saith Jehovah.
Joel 2:12
Yet even now, saith Jehovah, turn ye unto me with all your heart, and with fasting, and with weeping, and with mourning:

American Standard Version Public Domain