sentences:  On the contrary, he advocated a morality that acknowledged the unique problems of each person and place, and sought to solve them accordingly.This morality, which emphasizes nothing as much as experience, attributes to metaphysics the role not of theories and definitions, but suggestions and a vision of immense possibilities.Ideals, for Vaz Ferreira, interfere with practicality, since they admit choices which many times require needless sacrifices, both for oneself and for others.