Almighty god, who madest Saint Leo to be both the refuge of the State, and also the bulwark of the Catholic Faith: Grant that the courage wherewith thou didst enable him to be stedfast in the evil day may be ours also in upholding the Christian standards which thou hast given us; through Jesus Christ our Lord. Amen.
¶ Or this:
O God, who didst strengthen thy holy Bishop Leo to contend earnestly for the truth of thy Son’s sacred Humanity: Mercifully grant that we may be guided by the light of his teaching to believe rightly the Incarnation of our Lord Jesus Christ; who liveth and reigneth with thee and the Holy Ghost, ever one God, world without end. Amen.