'Clay' in the Bible

How much more them that dwell in houses of clay, Whose foundation is in the dust, Who are crushed before the moth!

Remember, I beseech thee, that thou hast fashioned me as clay; And wilt thou bring me into dust again?

Your memorable sayings are proverbs of ashes, Your defences are defences of clay.

Though he heap up silver as the dust, And prepare raiment as the clay;

Behold, I am toward God even as thou art: I also am formed out of the clay.

It is changed as clay under the seal; And all things'stand forth as a garment: