Genesis 18:27

And Abraham answered and said, "Behold, I have taken upon me to speak unto the LORD, and yet am but dust and ashes.

Genesis 3:19

In the sweat of thy face shalt thou eat bread, until thou return unto the earth whence thou wast taken: for earth thou art, and unto earth shalt thou return."

Isaiah 6:5

Then I said, "O woe is me! For I am lost: inasmuch as I am a man of unclean lips, and dwell among people that hath unclean lips also. For mine eyes have seen the King and LORD of Hosts."

Genesis 2:7

Then the LORD God shope man, even of the mold of the earth, and breathed into his face the breath of life. So man was made a living soul.

Luke 18:1

He put forth a similitude unto them, signifying that men ought always to pray, and not to be weary,

Genesis 18:30-32

And he said, "O let not my LORD be angry, that I speak. What if there be found thirty there?" And he said, "I will not do it, if I find thirty there."

Ezra 9:6

and said, "My God, I am ashamed, and dare not lift up mine eyes unto thee my God: for our wickednesses are grown over our head, and our trespasses are waxen great unto the heaven.

Job 4:19

How much more then shall they that dwell in houses of clay, whose foundation is but earth: which shall be consumed by the moth?

Job 30:19

I am even as it were clay, and am become like ashes and dust.

Job 42:6-8

Wherefore I give mine own self the blame, and take repentance in the dust and ashes."

Psalm 8:4

What is man, that thou art mindful of him? And what is the son of man that thou visitest him?

Psalm 144:3

LORD, what is man, that thou hast such respect unto him? Or the son of man, that thou so regardest him?

Ecclesiastes 12:7

Or dust be turned again unto earth from whence it came, and or the spirit return unto God, which gave it.

Isaiah 64:8

But now O LORD, thou father of ours: we are the clay, and thou art our potter, and we all are the work of thy hands.

Luke 5:8

When Simon Peter saw that, he fell down at Jesus' knees saying, "Lord go from me, for I am a sinful man."

1 Corinthians 15:47-48

The first man is of the earth, earthy: The second man is the Lord, from heaven.

2 Corinthians 5:1-2

We know surely if our earthy mansion wherein we now dwell were destroyed, that we have a building ordained of God, a habitation not made with hands, but eternal in heaven:

Treasury of Scripture Knowledge

Summary

And Abraham answered and said, Behold now, I have taken upon me to speak unto the Lord, which am but dust and ashes:

General references

Bible References

I have

Genesis 18:30
And he said, "O let not my LORD be angry, that I speak. What if there be found thirty there?" And he said, "I will not do it, if I find thirty there."
Ezra 9:6
and said, "My God, I am ashamed, and dare not lift up mine eyes unto thee my God: for our wickednesses are grown over our head, and our trespasses are waxen great unto the heaven.
Job 42:6
Wherefore I give mine own self the blame, and take repentance in the dust and ashes."
Isaiah 6:5
Then I said, "O woe is me! For I am lost: inasmuch as I am a man of unclean lips, and dwell among people that hath unclean lips also. For mine eyes have seen the King and LORD of Hosts."
Luke 18:1
He put forth a similitude unto them, signifying that men ought always to pray, and not to be weary,

General references

Genesis 18:31
And he said, "Oh, see, I have begun to speak unto my LORD, what if there be twenty found there?" And he said, "I will not destroy them for twenty's sake."