Job 11:8

It is higher than the heavens; what canst thou do? It is deeper than Sheol; how canst thou know it?

Job 22:12

Is not God in the height of the heavens? Behold the height of the stars, how high they are!

Job 26:6

Sheol is naked before him, and hell has no covering.

Job 35:5

Look unto the heavens and see; and behold the heavens which are higher than thou.

2 Chronicles 6:18

Is it true that God is to dwell with men on the earth? Behold, heaven and the heaven of heavens cannot contain thee, how much less this house which I have built!

Psalm 103:11

For as the heavens are high above the earth so does he increase his mercy over those that fear him.

Psalm 139:6-8

Thy knowledge is wonderful beyond my ability to comprehend; it is high, I cannot understand it.

Psalm 148:13

Let them praise the name of the LORD; for his name alone is excellent; his glory is above earth and heavens.

Proverbs 25:2-3

It is the glory of God to conceal the word, but the honour of kings is to search out the word.

Isaiah 55:9

For as the heavens are higher than the earth, so are my ways higher than your ways, and my thoughts more than your thoughts.

Amos 9:2

Though they dig unto Sheol, from there shall my hand take them; though they climb up to heaven, from there I will bring them down;

Ephesians 3:18-19

may be able to well comprehend with all saints what is the breadth and length and depth and height

Treasury of Scripture Knowledge

Summary

It is as high as heaven; what canst thou do? deeper than hell; what canst thou know?

Bible References

It is as high as heaven

Job 22:12
Is not God in the height of the heavens? Behold the height of the stars, how high they are!
Job 35:5
Look unto the heavens and see; and behold the heavens which are higher than thou.
2 Chronicles 6:18
Is it true that God is to dwell with men on the earth? Behold, heaven and the heaven of heavens cannot contain thee, how much less this house which I have built!
Psalm 103:11
For as the heavens are high above the earth so does he increase his mercy over those that fear him.
Psalm 148:13
Let them praise the name of the LORD; for his name alone is excellent; his glory is above earth and heavens.
Proverbs 25:2
It is the glory of God to conceal the word, but the honour of kings is to search out the word.
Isaiah 55:9
For as the heavens are higher than the earth, so are my ways higher than your ways, and my thoughts more than your thoughts.

Deeper

Job 26:6
Sheol is naked before him, and hell has no covering.
Psalm 139:6
Thy knowledge is wonderful beyond my ability to comprehend; it is high, I cannot understand it.
Amos 9:2
Though they dig unto Sheol, from there shall my hand take them; though they climb up to heaven, from there I will bring them down;
Ephesians 3:18
may be able to well comprehend with all saints what is the breadth and length and depth and height

General references

Ecclesiastes 7:24
That which has been is far off and that which is exceeding deep, who can find it out?
1 Corinthians 13:9
For we know in part, and we prophesy in part.