Joshua 1:8

The scroll of this law will not depart from your mouth; you will meditate on it day and night so that {you may observe diligently all that is written} in it. For then you will succeed [in] your ways and prosper.

Psalm 19:14

Let the words of my mouth and the meditation of my heart be acceptable in your presence, O Yahweh, my rock and my redeemer.

Psalm 119:15

I will meditate on your precepts and look at your ways.

Deuteronomy 5:29

{If only} {they had such a mind}'; [that is], to fear me and to keep all my commandments {at all times}, so that {it will go well} for them and for their children {forever}.

Deuteronomy 5:32-3

"[So] you must be careful to do [just] as Yahweh your God commanded you; you shall not turn [to the] right or [to the] left.

Deuteronomy 6:6-9

And these words that I am commanding you {today} shall be on your heart.

Deuteronomy 11:18-19

"And you shall put these, my words, on your heart and on your inner self, and you shall bind them as a sign on your hand and let them be as an emblem between your eyes.

Deuteronomy 17:18-19

"{And then} {when he is sitting} on the throne of his kingdom, then he shall write for himself a copy of this law on a scroll {before} the Levitical priests.

Deuteronomy 29:9

And {you must diligently observe the words of this covenant}, so that you may succeed in all that you do.

Deuteronomy 30:14

But the word is very near you, [even] in your mouth and in your heart, {so that you may do it}.

Deuteronomy 31:11

{when all Israel comes to appear before} Yahweh their God at the place that he will choose, you shall read this law before all Israel {in their hearing}.

Joshua 1:7

Only be strong and very courageous {to observe diligently the whole law} that Moses my servant commanded you. Do not turn aside from it, [to] the right or left, so that you may succeed {wherever you go}.

Psalm 1:1-3

Blessed is the man who does not walk in the advice of [the] wicked; nor does he stand in [the] way of sinners; nor does he sit in [the] assembly of mockers.

Psalm 37:30-31

[The] mouth of [the] righteous utters wisdom, and his tongue speaks justice.

Psalm 40:10

Your righteousness I have not hidden in the midst of my heart. I have spoken of your faithfulness and your salvation. I have not concealed your loyal love or your faithfulness from [the] great congregation.

Psalm 119:11

In my heart I have hidden your word, so that I may not sin against you.

Psalm 119:42-43

Then I will have an answer [for the] one who taunts me, for I trust your word.

Psalm 119:97

How I love your law! The whole day it [is] my meditation.

Psalm 119:99

I have more insight than all my teachers, for your testimonies [are] my meditation.

Proverbs 2:1-5

My child, if you will receive my sayings, and hide my commands with you,

Proverbs 3:1

My child, do not forget my instruction, and may your heart guard my commands.

Isaiah 59:21

"And as for me, this [is] my covenant with them, says Yahweh: my spirit that [is] upon you, and my words that I have placed in your mouth shall not depart from your mouth, or from the mouths of your {children}, or from the mouths of {your children's children}," says Yahweh, "from now on and forever."

Matthew 7:21

"Not everyone who says to me, 'Lord, Lord,' will enter into the kingdom of heaven, but the one who does the will of my Father who is in heaven.

Matthew 7:24

"Therefore everyone who hears these words of mine and does them will be like a wise man who built his house on the rock.

Matthew 12:35

The good person from his good treasury brings out good [things], and the evil person from his evil treasury brings out evil [things].

Matthew 28:20

teaching them to observe everything I have commanded you, and behold, I am with you all the days until the end of the age."

Luke 11:28

But he said, "On the contrary, blessed [are] those who hear the word of God and follow [it]!"

John 13:17

If you understand these [things], you are blessed if you do them.

John 14:21

The one who has my commandments and keeps them--that one is the one who loves me. And the one who loves me will be loved by my Father, and I will love him and will reveal myself to him."

Ephesians 4:29

{No rotten word must proceed} from your mouth, but only something good for the building up of the need, in order that it may give grace to those who hear,

Colossians 3:16

Let the word of Christ dwell in you richly, teaching and admonishing one another with all wisdom, with psalms, hymns, [and] spiritual songs, singing with thankfulness in your hearts to God,

1 Timothy 4:14-16

Do not neglect the gift [that is] in you, that was granted to you through prophecy with the laying on of hands by the council of elders.

James 1:22-25

But be doers of the message and not hearers only, deceiving yourselves,

Revelation 22:14

Blessed [are] the ones who wash their robes, so that their authority will be over the tree of life and they may enter into the city through the gates.

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 that I am commanding you {today} shall be on your heart.
Deuteronomy 11:18
"And you shall put these, my words, on your heart and on your inner self, and you shall bind them as a sign on your hand and let them be as an emblem between your eyes.
Deuteronomy 17:18
"{And then} {when he is sitting} on the throne of his kingdom, then he shall write for himself a copy of this law on a scroll {before} the Levitical priests.
Deuteronomy 30:14
But the word is very near you, [even] in your mouth and in your heart, {so that you may do it}.
Deuteronomy 31:11
{when all Israel comes to appear before} Yahweh their God at the place that he will choose, you shall read this law before all Israel {in their hearing}.
Psalm 37:30
[The] mouth of [the] righteous utters wisdom, and his tongue speaks justice.
Psalm 40:10
Your righteousness I have not hidden in the midst of my heart. I have spoken of your faithfulness and your salvation. I have not concealed your loyal love or your faithfulness from [the] great congregation.
Psalm 119:42
Then I will have an answer [for the] one who taunts me, for I trust your word.
Isaiah 59:21
"And as for me, this [is] my covenant with them, says Yahweh: my spirit that [is] upon you, and my words that I have placed in your mouth shall not depart from your mouth, or from the mouths of your {children}, or from the mouths of {your children's children}," says Yahweh, "from now on and forever."
Matthew 12:35
The good person from his good treasury brings out good [things], and the evil person from his evil treasury brings out evil [things].
Ephesians 4:29
{No rotten word must proceed} from your mouth, but only something good for the building up of the need, in order that it may give grace to those who hear,

Thou shalt

Psalm 1:2
Instead, in the law of Yahweh [is] his delight, and on his law he meditates day and night.
Psalm 19:14
Let the words of my mouth and the meditation of my heart be acceptable in your presence, O Yahweh, my rock and my redeemer.
Psalm 119:11
In my heart I have hidden your word, so that I may not sin against you.
Proverbs 2:1
My child, if you will receive my sayings, and hide my commands with you,
Proverbs 3:1
My child, do not forget my instruction, and may your heart guard my commands.
Colossians 3:16
Let the word of Christ dwell in you richly, teaching and admonishing one another with all wisdom, with psalms, hymns, [and] spiritual songs, singing with thankfulness in your hearts to God,
1 Timothy 4:14
Do not neglect the gift [that is] in you, that was granted to you through prophecy with the laying on of hands by the council of elders.

Observe

Deuteronomy 5:29
{If only} {they had such a mind}'; [that is], to fear me and to keep all my commandments {at all times}, so that {it will go well} for them and for their children {forever}.
Deuteronomy 6:1
"Now this [is] the commandment, the rules and the regulations, that Yahweh your God charged to teach [to] you [for you] {to observe} in the land that you [are] about to cross [over] into to take possession of it,
Matthew 7:21
"Not everyone who says to me, 'Lord, Lord,' will enter into the kingdom of heaven, but the one who does the will of my Father who is in heaven.
Matthew 28:20
teaching them to observe everything I have commanded you, and behold, I am with you all the days until the end of the age."
Luke 11:28
But he said, "On the contrary, blessed [are] those who hear the word of God and follow [it]!"
John 13:17
If you understand these [things], you are blessed if you do them.
John 14:21
The one who has my commandments and keeps them--that one is the one who loves me. And the one who loves me will be loved by my Father, and I will love him and will reveal myself to him."
James 1:22
But be doers of the message and not hearers only, deceiving yourselves,
Revelation 22:14
Blessed [are] the ones who wash their robes, so that their authority will be over the tree of life and they may enter into the city through the gates.

General references

Deuteronomy 17:19
And it shall be with him, and he shall read it all the days of his life, so that he may learn to revere Yahweh your God by {diligently observing} all the word of this law and these rules,
Joshua 10:8
And Yahweh said to Joshua, "Do not be afraid of them, for I have given them into your hand; {no one will withstand you}.
Isaiah 48:15
I, I myself, I have spoken! Indeed, I have called him. I have brought him, and he will be successful [in] his way.