Psalm 49:3

My mouth speaketh wise things, And the meditations of my heart are things of understanding.

Deuteronomy 32:2

Drop as rain doth My doctrine; Flow as dew doth My sayings; As storms on the tender grass, And as showers on the herb,

Job 33:3

Of the uprightness of my heart are my sayings, And knowledge have my lips clearly spoken.

Job 33:33

If there are not -- hearken thou to me, Keep silent, and I teach thee wisdom.

Psalm 19:14

Let the sayings of my mouth, And the meditation of my heart, Be for a pleasing thing before Thee, O Jehovah, my rock, and my redeemer!

Psalm 37:30

The mouth of the righteous uttereth wisdom, And his tongue speaketh judgment.

Psalm 45:1

To the Overseer. -- 'On the Lilies.' -- By sons of Korah. -- An Instruction. -- A song of loves. My heart hath indited a good thing, I am telling my works to a king, My tongue is the pen of a speedy writer.

Psalm 104:34

Sweet is my meditation on Him, I -- I do rejoice in Jehovah.

Psalm 119:130

The opening of Thy words enlighteneth, Instructing the simple.

Proverbs 4:1-2

Hear, ye sons, the instruction of a father, And give attention to know understanding.

Proverbs 8:6-11

Hearken, for noble things I speak, And the opening of my lips is uprightness.

Proverbs 22:17

Incline thine ear, and hear words of the wise, And thy heart set to my knowledge,

Proverbs 22:20-21

Have I not written to thee three times With counsels and knowledge?

Matthew 12:35

The good man out of the good treasure of the heart doth put forth the good things, and the evil man out of the evil treasure doth put forth evil things.

2 Timothy 3:15-17

and because from a babe the Holy Writings thou hast known, which are able to make thee wise -- to salvation, through faith that is in Christ Jesus;

Treasury of Scripture Knowledge

Summary

My mouth shall speak of wisdom; and the meditation of my heart shall be of understanding.

General references

Bible References

Mouth

Deuteronomy 32:2
Drop as rain doth My doctrine; Flow as dew doth My sayings; As storms on the tender grass, And as showers on the herb,
Job 33:3
Of the uprightness of my heart are my sayings, And knowledge have my lips clearly spoken.
Proverbs 4:1
Hear, ye sons, the instruction of a father, And give attention to know understanding.
Proverbs 8:6
Hearken, for noble things I speak, And the opening of my lips is uprightness.
Proverbs 22:17
Incline thine ear, and hear words of the wise, And thy heart set to my knowledge,
2 Timothy 3:15
and because from a babe the Holy Writings thou hast known, which are able to make thee wise -- to salvation, through faith that is in Christ Jesus;

Meditation

Psalm 19:14
Let the sayings of my mouth, And the meditation of my heart, Be for a pleasing thing before Thee, O Jehovah, my rock, and my redeemer!
Psalm 45:1
To the Overseer. -- 'On the Lilies.' -- By sons of Korah. -- An Instruction. -- A song of loves. My heart hath indited a good thing, I am telling my works to a king, My tongue is the pen of a speedy writer.
Psalm 104:34
Sweet is my meditation on Him, I -- I do rejoice in Jehovah.
Matthew 12:35
The good man out of the good treasure of the heart doth put forth the good things, and the evil man out of the evil treasure doth put forth evil things.

General references

Proverbs 8:4
Unto you, O men, I call, And my voice is unto the sons of men.