Proverbs 2:2

So that your ear gives attention to wisdom, and your heart is turned to knowledge;

Psalm 119:111-112

I have taken your unchanging word as an eternal heritage; for it is the joy of my heart.

Proverbs 18:1

He who keeps himself separate for his private purpose goes against all good sense.

Proverbs 22:17-21

Let your ear be bent down for hearing my words, and let your heart give thought to knowledge.

Proverbs 23:12

Give your heart to teaching, and your ears to the words of knowledge.

Ecclesiastes 7:25

I gave my mind to knowledge and to searching for wisdom and the reason of things, and to the discovery that sin is foolish, and that to be foolish is to be without one's senses.

Ecclesiastes 8:9

All this have I seen, and have given my heart to all the work which is done under the sun: there is a time when man has power over man for his destruction.

Ecclesiastes 8:16

When I gave my mind to the knowledge of wisdom and to seeing the business which is done on the earth (and there are those whose eyes see not sleep by day or by night),

Isaiah 55:3

Give ear, and come to me, take note with care, so that your souls may have life: and I will make an eternal agreement with you, even the certain mercies of David.

Matthew 13:9

He who has ears, let him give ear.

Acts 17:11

Now these were more noble than the Jews of Thessalonica, for they gave serious attention to the word, searching in the holy Writings every day, to see if these things were so.

Treasury of Scripture Knowledge

Summary

So that thou incline thine ear unto wisdom, and apply thine heart to understanding;

General references

Bible References

Thou

Proverbs 18:1
He who keeps himself separate for his private purpose goes against all good sense.
Psalm 119:111
I have taken your unchanging word as an eternal heritage; for it is the joy of my heart.
Isaiah 55:3
Give ear, and come to me, take note with care, so that your souls may have life: and I will make an eternal agreement with you, even the certain mercies of David.
Matthew 13:9
He who has ears, let him give ear.

Apply

Proverbs 22:17
Let your ear be bent down for hearing my words, and let your heart give thought to knowledge.
Proverbs 23:12
Give your heart to teaching, and your ears to the words of knowledge.
Ecclesiastes 7:25
I gave my mind to knowledge and to searching for wisdom and the reason of things, and to the discovery that sin is foolish, and that to be foolish is to be without one's senses.
Ecclesiastes 8:9
All this have I seen, and have given my heart to all the work which is done under the sun: there is a time when man has power over man for his destruction.
Acts 17:11
Now these were more noble than the Jews of Thessalonica, for they gave serious attention to the word, searching in the holy Writings every day, to see if these things were so.

General references

Proverbs 23:12
Give your heart to teaching, and your ears to the words of knowledge.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain