in the sweat of thy face shalt thou eat bread, till thou return unto the ground; for out of it wast thou taken: for dust thou art, and unto dust shalt thou return.
and said, Naked came I out of my mother's womb, and naked shall I return thither: the Lord gave, and the Lord hath taken away; blessed be the name of the Lord.
And I gave my heart to seek and search out by wisdom concerning all things that are done under heaven: this sore travail hath God given to the sons of man to be exercised therewith.
As he came forth of his mother's womb, naked shall he return to go as he came, and shall take nothing of his labor, which he may carry away in his hand.
Let him that stole steal no more: but rather let him labor, working with his hands the thing which is good, that he may have to give to him that needeth.
For ye remember, brethren, our labor and travail: for laboring night and day, because we would not be chargeable unto any of you, we preached unto you the gospel of God.