Behold now, I have taken upon me to speak unto the Lord, who am but dust and ashes — He speaks as one amazed at his own boldness, and the liberty God graciously allowed him, considering God's greatness, he is the Lord; and his own meanness, but dust and ashes. Whenever we draw near to God, it becomes us reverently to acknowledge the vast distance that there is between us and Him. He is the Lord of glory, we are worms of the earth.
Related Commentaries of Genesis 18:27
Genesis 18:27
27 And Abraham answered and said, Behold now, I have taken upon me to speak unto the Lord, which am but dust and ashes: