The Symbolic Meaning of The Saint Benedict Medal

Card reads: The Symbolic Meaning of The Saint Benedict Medal

Front: Ejus in obitu nostro praesentia muniamur: May his presence protect us in the hour of our death.
Back:
C.S.P.B - Crux Sancti Patris Benedicti - The Cross of Holy Father Benedict.
C.S.S.M.S. - Crux Sacra Sit Mihi Lux - May the Holy Cross be my light!
N.D.S.M.D. - Non Draco Sit Mihi Dux - May the dragon never be my guide!
V.R.S - Vade Retro Satana - Get behind me, Satan!
N.S.M.V. - Non Suade Mihi Vana - Do not suggest vain things to me!
S.M.Q.L. - Sunt Mala Quae Libas - What you are showing me is evil.
I.V.B. - Ipse Venena Bibas - Drink your poison yourself!
Pax - Peace.