The Utility of Embryonic Stem Cells
"From the time that the ovum is fertilized, a new life is begun which is neither that of the father or the mother; it is rather the life of a new human being with his own growth. It would never be made human if it were not human already. To this perpetual evidence .... modern genetic science brings valuable confirmation. It has demonstrated that from the first instant, the program is fixed as to what this living being will be: a man, this individual man with his characteristic aspects already well determined. Right from fertilization is begun the adventure of a human life, and each of its great capacities requires time .... to find its place and to be in a position to act . .. 2