1 Samuel 7:3

And Samuel spoke to all the house of Israel, saying, If ye return to Jehovah with all your heart, put away the strange gods and the Ashtoreths from among you, and apply your hearts unto Jehovah, and serve him only; and he will deliver you out of the hand of the Philistines.

Joshua 24:14

And now fear Jehovah and serve him in perfectness and in truth; and put away the gods which your fathers served on the other side of the river, and in Egypt; and serve Jehovah.

Genesis 35:2

And Jacob said to his household, and to all that were with him, Put away the strange gods that are among you, and cleanse yourselves, and change your garments;

Deuteronomy 6:13

Thou shalt fear Jehovah thy God, and serve him, and shalt swear by his name.

Deuteronomy 13:4

Ye shall walk after Jehovah your God, and ye shall fear him, and his commandments shall ye keep, and his voice shall ye hear; and ye shall serve him, and unto him shall ye cleave.

Judges 2:13

They forsook the LORD, and served the Ba'als and the Ash'taroth.

Isaiah 55:7

Let the wicked forsake his way, and the unrighteous man his thoughts; and let him return unto Jehovah, and he will have mercy upon him; and to our God, for he will abundantly pardon.

Matthew 4:10

Then says Jesus to him, Get thee away, Satan, for it is written, Thou shalt do homage to the Lord thy God, and him alone shalt thou serve.

Luke 4:8

And Jesus answering him said, It is written, Thou shalt do homage to the Lord thy God, and him alone shalt thou serve.

Deuteronomy 10:20

Thou shalt fear Jehovah thy God; him thou shalt serve, and unto him shalt thou cleave, and swear by his name.

Joshua 24:23

Now therefore put away the strange gods that are among you, and incline your heart unto Jehovah the God of Israel.

1 Kings 8:48

and if they return unto thee with all their heart and with all their soul, in the land of their enemies who led them away captive, and pray unto thee toward their land which thou gavest unto their fathers, the city that thou hast chosen, and the house that I have built unto thy name;

Deuteronomy 30:2-10

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

2 Chronicles 30:19

that has directed his heart to seek God, Jehovah the God of his fathers, although not according to the purification of the sanctuary.

Joel 2:12-13

Yet even now, saith Jehovah, turn to me with all your heart, and with fasting, and with weeping, and with mourning;

Judges 10:6

And the people of Israel again did what was evil in the sight of the LORD, and served the Ba'als and the Ash'taroth, the gods of Syria, the gods of Sidon, the gods of Moab, the gods of the Ammonites, and the gods of the Philistines; and they forsook the LORD, and did not serve him.

Judges 10:16

So they put away the foreign gods from among them and served the LORD; and he became indignant over the misery of Israel.

1 Samuel 31:10

And they put his armour in the house of Ashtaroth; and they fastened his body to the wall of Beth-shan.

1 Chronicles 22:19

Now set your heart and your soul to seek Jehovah your God; and arise and build the sanctuary of Jehovah Elohim, to bring the ark of the covenant of Jehovah, and the vessels of the sanctuary of God into the house that is to be built unto the name of Jehovah.

1 Chronicles 28:9

And thou, Solomon my son, know the God of thy father, and serve him with a perfect heart and with a willing mind; for Jehovah searches all hearts, and discerns all the imaginations of the thoughts. If thou seek him, he will be found of thee; but if thou forsake him, he will cut thee off for ever.

2 Chronicles 19:3

Nevertheless there are good things found in thee; for thou hast put away the Asherahs out of the land, and hast directed thy heart to seek God.

Job 11:13-14

If thou prepare thy heart and stretch out thy hands toward him,

Proverbs 16:1

The purposes of the heart are of man, but the answer of the tongue is from Jehovah.

Jeremiah 4:3-4

For thus saith Jehovah to the men of Judah and Jerusalem: Break up for you a fallow ground, and sow not among thorns.

Ezekiel 18:31

Cast away from you all your transgressions wherewith ye have transgressed, and make you a new heart and a new spirit: why then will ye die, house of Israel?

Hosea 6:1-2

Come and let us return unto Jehovah: for he hath torn, and he will heal us; he hath smitten, and he will bind us up.

Hosea 14:1

O Israel, return unto Jehovah thy God; for thou hast fallen by thine iniquity.

Matthew 6:24

No one can serve two masters; for either he will hate the one and will love the other, or he will hold to the one and despise the other. Ye cannot serve God and mammon.

Matthew 15:8

This people honour me with the lips, but their heart is far away from me;

John 4:24

God is a spirit; and they who worship him must worship him in spirit and truth.

Treasury of Scripture Knowledge

Summary

And Samuel spake unto all the house of Israel, saying, If ye do return unto the LORD with all your hearts, then put away the strange gods and Ashtaroth from among you, and prepare your hearts unto the LORD, and serve him only: and he will deliver you out of the hand of the Philistines.

General references

Bible References

Return

Deuteronomy 30:2
and shalt return to Jehovah thy God, and shalt hearken to his voice according to all that I command thee this day, thou and thy sons, with all thy heart and with all thy soul;
1 Kings 8:48
and if they return unto thee with all their heart and with all their soul, in the land of their enemies who led them away captive, and pray unto thee toward their land which thou gavest unto their fathers, the city that thou hast chosen, and the house that I have built unto thy name;
Isaiah 55:7
Let the wicked forsake his way, and the unrighteous man his thoughts; and let him return unto Jehovah, and he will have mercy upon him; and to our God, for he will abundantly pardon.
Hosea 6:1
Come and let us return unto Jehovah: for he hath torn, and he will heal us; he hath smitten, and he will bind us up.
Hosea 14:1
O Israel, return unto Jehovah thy God; for thou hast fallen by thine iniquity.
Joel 2:12
Yet even now, saith Jehovah, turn to me with all your heart, and with fasting, and with weeping, and with mourning;

Prepare

Deuteronomy 30:6
And Jehovah thy God will circumcise thy heart, and the heart of thy seed, to love Jehovah thy God with all thy heart and with all thy soul, that thou mayest live.
1 Chronicles 22:19
Now set your heart and your soul to seek Jehovah your God; and arise and build the sanctuary of Jehovah Elohim, to bring the ark of the covenant of Jehovah, and the vessels of the sanctuary of God into the house that is to be built unto the name of Jehovah.
1 Chronicles 28:9
And thou, Solomon my son, know the God of thy father, and serve him with a perfect heart and with a willing mind; for Jehovah searches all hearts, and discerns all the imaginations of the thoughts. If thou seek him, he will be found of thee; but if thou forsake him, he will cut thee off for ever.
2 Chronicles 30:19
that has directed his heart to seek God, Jehovah the God of his fathers, although not according to the purification of the sanctuary.
Job 11:13
If thou prepare thy heart and stretch out thy hands toward him,
Proverbs 16:1
The purposes of the heart are of man, but the answer of the tongue is from Jehovah.
Jeremiah 4:3
For thus saith Jehovah to the men of Judah and Jerusalem: Break up for you a fallow ground, and sow not among thorns.
Ezekiel 18:31
Cast away from you all your transgressions wherewith ye have transgressed, and make you a new heart and a new spirit: why then will ye die, house of Israel?
Matthew 15:8
This people honour me with the lips, but their heart is far away from me;
John 4:24
God is a spirit; and they who worship him must worship him in spirit and truth.

Serve him

Deuteronomy 6:13
Thou shalt fear Jehovah thy God, and serve him, and shalt swear by his name.
Deuteronomy 10:20
Thou shalt fear Jehovah thy God; him thou shalt serve, and unto him shalt thou cleave, and swear by his name.
Deuteronomy 13:4
Ye shall walk after Jehovah your God, and ye shall fear him, and his commandments shall ye keep, and his voice shall ye hear; and ye shall serve him, and unto him shall ye cleave.
Matthew 4:10
Then says Jesus to him, Get thee away, Satan, for it is written, Thou shalt do homage to the Lord thy God, and him alone shalt thou serve.
Matthew 6:24
No one can serve two masters; for either he will hate the one and will love the other, or he will hold to the one and despise the other. Ye cannot serve God and mammon.
Luke 4:8
And Jesus answering him said, It is written, Thou shalt do homage to the Lord thy God, and him alone shalt thou serve.

General references

Ecclesiastes 9:17
The words of the wise are heard in quiet more than the cry of him that ruleth among fools.