Mario Cuomo's Speech at Notre Dame 1984

http://speech-school.com/2010/04/mario-matthew-cuomo-speech-religious-belief-and-public-morality/#more-31

Fr. Barron on Conscience

http://www.wordonfire.org/WoF-Blog/WoF-Blog/October-2011/Spirituality-Additional-commentary-on-faith.aspx

John F. Kennedy and Conscience

 In his inaugural address in 1961, JFK makes specific reference to the concept of conscience and its role in good decision making.

"And so, my fellow Americans: ask not what your country can do for you--ask what you can do for your country.

My fellow citizens of the world: ask not what America will do for you, but what together we can do for the freedom of man.

Finally, whether you are citizens of America or citizens of the world, ask of us here the same high standards of strength and sacrifice which we ask of you. With a good conscience our only sure reward, with history the final judge of our deeds, let us go forth to lead the land we love, asking His blessing and His help, but knowing that here on earth God's work must truly be our own."

Transcription courtesy of the John F. Kennedy Presidential Library and Museum.

Video from Fr. Barron

Below in the Video link there is an excellent piece addressing the significance of St. Thomas Aquinas.  This is why we pray to him in class every day.