You searched for: “vita mea
Mors tua, vita mea.
Your death, my life.

It also means, "You must die so that I may live." A reference to someone who can preserve his own life only by taking the life of another. For instance, it could refer to a very ill patient who is waiting for an organ transplant from a dying donor or some other situation in which a person's life is dependent upon the death of another person.