binding quotes

Et si uxoris nomen sanctius ac validius videtur, dulcius mihi semper exstitit amic× vocabulum; aut si non indigneris, concubin× vel scorti. Ifthename of wifeseemsmore blessed or more binding, always sweeter to me will be the word lover, or if I may, concubine or whore.

-He  lo|«  se
c.1135  First letter to Peter  Abelard.

If civil authorities legislate for or allow anything that is contrary to that order and therefore contrary to the will of God, neither the laws made or the authorizations granted can be binding on the consciences of the citizens, since God has more right to be obeyed than man.

-PopeJohn XXIII originally Angelo Giuseppe Roncalli
  Pacem in Terris,10  Apr.

The command 'Thou shalt not kill'must be binding on the conscience of humanity if the terrible tragedy and destiny of Cain is not to be repeated.

-PopeJohn Paul II originally Karol Jozef Wojtyla
  Speech at Drogheda, Ireland, 29 Sep.