Proverbs 2:2

so that thou incline thine ear unto wisdom and thou apply thy heart to understanding;

Psalm 90:12

So teach us to number our days, that we may acquire a wise heart.

Psalm 119:111-112

Thy testimonies have I taken as a heritage for ever; for they are the rejoicing of my heart.

Proverbs 18:1

He that separateth himself seeketh his pleasure, he is vehement against all sound wisdom.

Proverbs 22:17-21

Incline thine ear, and hear the words of the wise, and apply thy heart unto my knowledge.

Proverbs 23:12

Apply thy heart unto instruction, and thine ears to the words of knowledge.

Ecclesiastes 7:25

I turned, I and my heart, to know, and to search, and to seek out wisdom and reason, and to know wickedness to be folly, and foolishness to be madness;

Ecclesiastes 8:9

All this have I seen, and applied my heart unto every work that is done under the sun: there is a time when man ruleth man to his hurt.

Ecclesiastes 8:16

When I applied my heart to know wisdom, and to see the business that is done upon the earth (for also there is that neither day nor night seeth sleep with his eyes),

Isaiah 55:3

Incline your ear, and come unto me; hear, and your soul shall live; and I will make an everlasting covenant with you, the sure mercies of David.

Matthew 13:9

He that has ears, let him hear.

Acts 17:11

And these were more noble than those in Thessalonica, receiving the word with all readiness of mind, daily searching the scriptures 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 that separateth himself seeketh his pleasure, he is vehement against all sound wisdom.
Psalm 119:111
Thy testimonies have I taken as a heritage for ever; for they are the rejoicing of my heart.
Isaiah 55:3
Incline your ear, and come unto me; hear, and your soul shall live; and I will make an everlasting covenant with you, the sure mercies of David.
Matthew 13:9
He that has ears, let him hear.

Apply

Proverbs 22:17
Incline thine ear, and hear the words of the wise, and apply thy heart unto my knowledge.
Proverbs 23:12
Apply thy heart unto instruction, and thine ears to the words of knowledge.
Psalm 90:12
So teach us to number our days, that we may acquire a wise heart.
Ecclesiastes 7:25
I turned, I and my heart, to know, and to search, and to seek out wisdom and reason, and to know wickedness to be folly, and foolishness to be madness;
Ecclesiastes 8:9
All this have I seen, and applied my heart unto every work that is done under the sun: there is a time when man ruleth man to his hurt.
Acts 17:11
And these were more noble than those in Thessalonica, receiving the word with all readiness of mind, daily searching the scriptures if these things were so.

General references

Proverbs 23:12
Apply thy heart unto instruction, and thine ears to the words of knowledge.