Joshua 1:8

This book of the law shall not depart out of thy mouth; but thou shalt meditate therein day and night, that thou mayest observe to do according to all that is written therein: for then thou shalt make thy way prosperous, and then thou shalt have good success.

Psalm 19:14

Let the words of my mouth, and the meditation of my heart, be acceptable in thy sight, O LORD, my strength, and my redeemer.

Psalm 119:15

I will meditate in thy precepts, and have respect unto thy ways.

Deuteronomy 5:29

O that there were such an heart in them, that they would fear me, and keep all my commandments always, that it might be well with them, and with their children for ever!

Deuteronomy 5:32-3

Ye shall observe to do therefore as the LORD your God hath commanded you: ye shall not turn aside to the right hand or to the left.

Deuteronomy 6:6-9

And these words, which I command thee this day, shall be in thine heart:

Deuteronomy 11:18-19

Therefore shall ye lay up these my words in your heart and in your soul, and bind them for a sign upon your hand, that they may be as frontlets between your eyes.

Deuteronomy 17:18-19

And it shall be, when he sitteth upon the throne of his kingdom, that he shall write him a copy of this law in a book out of that which is before the priests the Levites:

Deuteronomy 29:9

Keep therefore the words of this covenant, and do them, that ye may prosper in all that ye do.

Deuteronomy 30:14

But the word is very nigh unto thee, in thy mouth, and in thy heart, that thou mayest do it.

Deuteronomy 31:11

When all Israel is come to appear before the LORD thy God in the place which he shall choose, thou shalt read this law before all Israel in their hearing.

Joshua 1:7

Only be thou strong and very courageous, that thou mayest observe to do according to all the law, which Moses my servant commanded thee: turn not from it to the right hand or to the left, that thou mayest prosper whithersoever thou goest.

Psalm 1:1-3

Blessed is the man that walketh not in the counsel of the ungodly, nor standeth in the way of sinners, nor sitteth in the seat of the scornful.

Psalm 37:30-31

The mouth of the righteous speaketh wisdom, and his tongue talketh of judgment.

Psalm 40:10

I have not hid thy righteousness within my heart; I have declared thy faithfulness and thy salvation: I have not concealed thy lovingkindness and thy truth from the great congregation.

Psalm 119:11

Thy word have I hid in mine heart, that I might not sin against thee.

Psalm 119:42-43

So shall I have wherewith to answer him that reproacheth me: for I trust in thy word.

Psalm 119:97

MEM. O how love I thy law! it is my meditation all the day.

Psalm 119:99

I have more understanding than all my teachers: for thy testimonies are my meditation.

Proverbs 2:1-5

My son, if thou wilt receive my words, and hide my commandments with thee;

Proverbs 3:1

My son, forget not my law; but let thine heart keep my commandments:

Isaiah 59:21

As for me, this is my covenant with them, saith the LORD; My spirit that is upon thee, and my words which I have put in thy mouth, shall not depart out of thy mouth, nor out of the mouth of thy seed, nor out of the mouth of thy seed's seed, saith the LORD, from henceforth and for ever.

Matthew 7:21

Not every one that saith unto me, Lord, Lord, shall enter into the kingdom of heaven; but he that doeth the will of my Father which is in heaven.

Matthew 7:24

Therefore whosoever heareth these sayings of mine, and doeth them, I will liken him unto a wise man, which built his house upon a rock:

Matthew 12:35

A good man out of the good treasure of the heart bringeth forth good things: and an evil man out of the evil treasure bringeth forth evil things.

Matthew 28:20

Teaching them to observe all things whatsoever I have commanded you: and, lo, I am with you alway, even unto the end of the world. Amen.

Luke 11:28

But he said, Yea rather, blessed are they that hear the word of God, and keep it.

John 13:17

If ye know these things, happy are ye if ye do them.

John 14:21

He that hath my commandments, and keepeth them, he it is that loveth me: and he that loveth me shall be loved of my Father, and I will love him, and will manifest myself to him.

Ephesians 4:29

Let no corrupt communication proceed out of your mouth, but that which is good to the use of edifying, that it may minister grace unto the hearers.

Colossians 3:16

Let the word of Christ dwell in you richly in all wisdom; teaching and admonishing one another in psalms and hymns and spiritual songs, singing with grace in your hearts to the Lord.

1 Timothy 4:14-16

Neglect not the gift that is in thee, which was given thee by prophecy, with the laying on of the hands of the presbytery.

James 1:22-25

But be ye doers of the word, and not hearers only, deceiving your own selves.

Revelation 22:14

Blessed are they that do his commandments, that they may have right to the tree of life, and may enter in through the gates into the city.

Treasury of Scripture Knowledge

Summary

This book of the law shall not depart out of thy mouth; but thou shalt meditate therein day and night, that thou mayest observe to do according to all that is written therein: for then thou shalt make thy way prosperous, and then thou shalt have good success.

Bible References

Book

Deuteronomy 6:6
And these words, which I command thee this day, shall be in thine heart:
Deuteronomy 11:18
Therefore shall ye lay up these my words in your heart and in your soul, and bind them for a sign upon your hand, that they may be as frontlets between your eyes.
Deuteronomy 17:18
And it shall be, when he sitteth upon the throne of his kingdom, that he shall write him a copy of this law in a book out of that which is before the priests the Levites:
Deuteronomy 30:14
But the word is very nigh unto thee, in thy mouth, and in thy heart, that thou mayest do it.
Deuteronomy 31:11
When all Israel is come to appear before the LORD thy God in the place which he shall choose, thou shalt read this law before all Israel in their hearing.
Psalm 37:30
The mouth of the righteous speaketh wisdom, and his tongue talketh of judgment.
Psalm 40:10
I have not hid thy righteousness within my heart; I have declared thy faithfulness and thy salvation: I have not concealed thy lovingkindness and thy truth from the great congregation.
Psalm 119:42
So shall I have wherewith to answer him that reproacheth me: for I trust in thy word.
Isaiah 59:21
As for me, this is my covenant with them, saith the LORD; My spirit that is upon thee, and my words which I have put in thy mouth, shall not depart out of thy mouth, nor out of the mouth of thy seed, nor out of the mouth of thy seed's seed, saith the LORD, from henceforth and for ever.
Matthew 12:35
A good man out of the good treasure of the heart bringeth forth good things: and an evil man out of the evil treasure bringeth forth evil things.
Ephesians 4:29
Let no corrupt communication proceed out of your mouth, but that which is good to the use of edifying, that it may minister grace unto the hearers.

Thou shalt

Psalm 1:2
But his delight is in the law of the LORD; and in his law doth he meditate day and night.
Psalm 19:14
Let the words of my mouth, and the meditation of my heart, be acceptable in thy sight, O LORD, my strength, and my redeemer.
Psalm 119:11
Thy word have I hid in mine heart, that I might not sin against thee.
Proverbs 2:1
My son, if thou wilt receive my words, and hide my commandments with thee;
Proverbs 3:1
My son, forget not my law; but let thine heart keep my commandments:
Colossians 3:16
Let the word of Christ dwell in you richly in all wisdom; teaching and admonishing one another in psalms and hymns and spiritual songs, singing with grace in your hearts to the Lord.
1 Timothy 4:14
Neglect not the gift that is in thee, which was given thee by prophecy, with the laying on of the hands of the presbytery.

Observe

Deuteronomy 5:29
O that there were such an heart in them, that they would fear me, and keep all my commandments always, that it might be well with them, and with their children for ever!
Deuteronomy 6:1
Now these are the commandments, the statutes, and the judgments, which the LORD your God commanded to teach you, that ye might do them in the land whither ye go to possess it:
Matthew 7:21
Not every one that saith unto me, Lord, Lord, shall enter into the kingdom of heaven; but he that doeth the will of my Father which is in heaven.
Matthew 28:20
Teaching them to observe all things whatsoever I have commanded you: and, lo, I am with you alway, even unto the end of the world. Amen.
Luke 11:28
But he said, Yea rather, blessed are they that hear the word of God, and keep it.
John 13:17
If ye know these things, happy are ye if ye do them.
John 14:21
He that hath my commandments, and keepeth them, he it is that loveth me: and he that loveth me shall be loved of my Father, and I will love him, and will manifest myself to him.
James 1:22
But be ye doers of the word, and not hearers only, deceiving your own selves.
Revelation 22:14
Blessed are they that do his commandments, that they may have right to the tree of life, and may enter in through the gates into the city.

General references

Deuteronomy 17:19
And it shall be with him, and he shall read therein all the days of his life: that he may learn to fear the LORD his God, to keep all the words of this law and these statutes, to do them:
Joshua 10:8
And the LORD said unto Joshua, Fear them not: for I have delivered them into thine hand; there shall not a man of them stand before thee.
Isaiah 48:15
I, even I, have spoken; yea, I have called him: I have brought him, and he shall make his way prosperous.

King James Version Public Domain