Proverbs 15:14

The heart of him who has understanding seeks knowledge, but the mouth of fools feeds on foolishness.

1 Kings 3:6-12

And Solomon said, You have shown to Your servant David my father great mercy, according as he walked before You in truth and in righteousness and in uprightness of heart with You. And You have kept this great kindness for him, that You have given him a son to sit on his throne, as it is today.

Psalm 119:97

MEM: Oh how I love Your Law! It is my meditation all the day.

Psalm 119:100

I understand more than the old men, because I keep Your Commandments.

Proverbs 1:5

the wise hears and increases learning; and understanding ones get wisdom;

Proverbs 9:9

Give to a wise one, and he will be still wiser; teach a just one, and he will increase in learning.

Proverbs 12:23

A wise man conceals knowledge, but the heart of fools cries out foolishness.

Proverbs 18:15

The heart of the prudent gets knowledge, and the ear of the wise seeks knowledge.

Isaiah 30:10

who say to the seers, See not; and to the prophets, Do not prophesy to us right things, speak to us smooth things, prophesy falsehood;

Isaiah 44:20

He feeds on ashes; a deceived heart has turned him aside, so that he cannot deliver his soul, nor say, Is there not a lie in my right hand?

Hosea 12:1

Ephraim feeds on wind and follows after the east wind. He daily multiplies lies and cruelty. And they make a covenant with the Assyrians, and oil is carried into Egypt.

Acts 17:11

And these were more noble than those of Thessalonica, in that they received the Word with all readiness of mind and searched the Scriptures daily to see if those things were so.

2 Peter 3:18

But grow in grace and in knowledge of our Lord and Savior Jesus Christ. To Him be the glory, both now and to the day of eternity. Amen.

Treasury of Scripture Knowledge

Summary

The heart of him that hath understanding seeketh knowledge: but the mouth of fools feedeth on foolishness.

General references

Bible References

Heart

Proverbs 1:5
the wise hears and increases learning; and understanding ones get wisdom;
Proverbs 9:9
Give to a wise one, and he will be still wiser; teach a just one, and he will increase in learning.
1 Kings 3:6
And Solomon said, You have shown to Your servant David my father great mercy, according as he walked before You in truth and in righteousness and in uprightness of heart with You. And You have kept this great kindness for him, that You have given him a son to sit on his throne, as it is today.
Psalm 119:97
MEM: Oh how I love Your Law! It is my meditation all the day.
Acts 17:11
And these were more noble than those of Thessalonica, in that they received the Word with all readiness of mind and searched the Scriptures daily to see if those things were so.
2 Peter 3:18
But grow in grace and in knowledge of our Lord and Savior Jesus Christ. To Him be the glory, both now and to the day of eternity. Amen.

The mouth

Proverbs 12:23
A wise man conceals knowledge, but the heart of fools cries out foolishness.
Isaiah 30:10
who say to the seers, See not; and to the prophets, Do not prophesy to us right things, speak to us smooth things, prophesy falsehood;
Isaiah 44:20
He feeds on ashes; a deceived heart has turned him aside, so that he cannot deliver his soul, nor say, Is there not a lie in my right hand?
Hosea 12:1
Ephraim feeds on wind and follows after the east wind. He daily multiplies lies and cruelty. And they make a covenant with the Assyrians, and oil is carried into Egypt.

General references

Proverbs 8:9
They are all plain to him who understands, and right to those who find knowledge.
Proverbs 18:15
The heart of the prudent gets knowledge, and the ear of the wise seeks knowledge.