Proverbs 2:2

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

Psalm 90:12

So teach us to number our days, that we may apply our hearts unto wisdom.

Psalm 119:111-112

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

Proverbs 18:1

Through desire a man, having separated himself, seeketh and intermeddleth with all wisdom.

Proverbs 22:17-21

Bow down thine ear, and hear the words of the wise, and apply thine heart unto my knowledge.

Proverbs 23:12

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

Ecclesiastes 7:25

I applied mine heart to know, and to search, and to seek out wisdom, and the reason of things, and to know the wickedness of folly, even of foolishness and 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 wherein one man ruleth over another to his own hurt.

Ecclesiastes 8:16

When I applied mine 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, even the sure mercies of David.

Matthew 13:9

Who hath ears to hear, let him hear.

Acts 17:11

These were more noble than those in Thessalonica, in that they received the word with all readiness of mind, and searched the scriptures daily, whether those 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
Through desire a man, having separated himself, seeketh and intermeddleth with all wisdom.
Psalm 119:111
Thy testimonies have I taken as an 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, even the sure mercies of David.
Matthew 13:9
Who hath ears to hear, let him hear.

Apply

Proverbs 22:17
Bow down thine ear, and hear the words of the wise, and apply thine heart unto my knowledge.
Proverbs 23:12
Apply thine heart unto instruction, and thine ears to the words of knowledge.
Psalm 90:12
So teach us to number our days, that we may apply our hearts unto wisdom.
Ecclesiastes 7:25
I applied mine heart to know, and to search, and to seek out wisdom, and the reason of things, and to know the wickedness of folly, even of foolishness and 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 wherein one man ruleth over another to his own hurt.
Acts 17:11
These were more noble than those in Thessalonica, in that they received the word with all readiness of mind, and searched the scriptures daily, whether those things were so.

General references

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

King James Version Public Domain