My being consists of matter and form, that is, of soul and body; annihilation will reach neither of them, for they were never produced out of nothing. The consequence is, that every part of me will serve to make something in the world; and this again will change into another part through an infinite succession of change. This constant method of alteration gave me my being, and my father before me, and so on to eternity backward: for I think I may speak thus, even though the world be confined within certain determinate periods.