In his speech at the opening session for the 112th Congress, the new Speaker John Boehner (Ohio) spoke the following words:
In the Catholic faith, we enter into a season of service by having ashes marked on our foreheads. The ashes remind us that life in all its forms is fragile – our time on this Earth, fleeting. As the ashes are delivered, we hear those humbling words: "Remember you are dust, and to dust you shall return."
Here is the full speech (12:42 in length), from You Tube: