Psalm 49:3

my mouth shall speak of wise things; and the thoughts of my heart shall be of understanding.

Deuteronomy 32:2

My doctrine shall drop as the rain; my speech shall drop down as the dew, as the small rain on the tender plant, and as the showers on the grass;

Job 33:3

my words shall be from my upright heart, and my lips will clearly speak knowledge.

Job 33:33

If not, listen to me; be silent, and I will teach you wisdom.

Psalm 19:14

Let the words of my mouth and the meditation of my heart be pleasing in Your sight, O Jehovah, my Rock and my Redeemer.

Psalm 37:30

The mouth of the righteous speaks wisdom, and his tongue talks of judgment.

Psalm 45:1

To the Chief Musician. Concerning the Lilies, for the sons of Korah, a contemplation; A Song of Loves. My heart is overflowing with a good matter; I speak of my works to the King; my tongue is the pen of a ready writer.

Psalm 104:34

My thoughts of Him shall be sweet; I will be glad in Jehovah.

Psalm 119:130

The entrance of Your Words gives light; it gives understanding to the simple.

Proverbs 4:1-2

Sons, hear the instruction of a father, and listen in order to know understanding.

Proverbs 8:6-11

Hear; for I will speak of excellent things; and the opening of my lips shall be right things.

Proverbs 22:17

Bow down your ear, and hear the words of the wise, and apply your heart to My knowledge.

Proverbs 22:20-21

Have I not written to you excellent things in counsels and knowledge,

Matthew 12:35

A good man out of the good treasure of the heart brings out good things; and an evil man out of the evil treasure brings out evil things.

2 Timothy 3:15-17

and that from a babe you have known the Holy Scriptures, which are able to make you wise to salvation through faith 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
My doctrine shall drop as the rain; my speech shall drop down as the dew, as the small rain on the tender plant, and as the showers on the grass;
Job 33:3
my words shall be from my upright heart, and my lips will clearly speak knowledge.
Proverbs 4:1
Sons, hear the instruction of a father, and listen in order to know understanding.
Proverbs 8:6
Hear; for I will speak of excellent things; and the opening of my lips shall be right things.
Proverbs 22:17
Bow down your ear, and hear the words of the wise, and apply your heart to My knowledge.
2 Timothy 3:15
and that from a babe you have known the Holy Scriptures, which are able to make you wise to salvation through faith in Christ Jesus.

Meditation

Psalm 19:14
Let the words of my mouth and the meditation of my heart be pleasing in Your sight, O Jehovah, my Rock and my Redeemer.
Psalm 45:1
To the Chief Musician. Concerning the Lilies, for the sons of Korah, a contemplation; A Song of Loves. My heart is overflowing with a good matter; I speak of my works to the King; my tongue is the pen of a ready writer.
Psalm 104:34
My thoughts of Him shall be sweet; I will be glad in Jehovah.
Matthew 12:35
A good man out of the good treasure of the heart brings out good things; and an evil man out of the evil treasure brings out evil things.

General references

Proverbs 8:4
To you, O men, I call; and my voice is to the sons of man.