It is imperfection - not perfection - that is the end result of the program written into that formidably complex engine that is the human brain, and of the influences exerted upon us by the environment and whoever takes care of us during the long years of our physical, psychological and intellectual development.
Rita Levi-MontalciniAt 20, I realized that I could not possibly adjust to a feminine role as conceived by my father and asked him permission to engage in a professional career. In eight months I filled my gaps in Latin, Greek and mathematics, graduated from high school, and entered medical school in Turin.
Rita Levi-Montalcini