6 What is the water without substance, save the water of sins without substance? For sins have not substance: they have destitution, not substance; they have want, not substance. In that water without substance, the younger son lost the whole of his substance...Do you wish to see how the water is without substance? Take away with you to the world below what you have acquired: what will you do? You have acquired gold: you have lost your faith: after a few days you leave this life; you can not take away with you the gold you have acquired by the loss of your good faith; your heart, destitute of faith, goes forth into punishment— your heart, which if full of faith, would go forth unto a crown. Behold, what you have done is nothing: and you have offended God for nothing.
Source: The Enarrations, or Expositions, on the Psalms (New Advent)