About Deaf-Blindness > What is Deaf-Blindness. Deaf-blindness is a low incidence disability and within this very small group of children there is great variability. Many children who are deaf-blind have some usable vision and/or hearing. The majority of children who are deaf-blind also have additional physical, medical and/or cognitive problems.
Introduction-David Hume. The Philosopher David Hume is famous for making us realize that until we know the Necessary Connection / cause of things then all human knowledge is uncertain, merely a habit of thinking based upon repeated observation (induction), and which depends upon the future being like the past.
Like Aristotle, Aquinas believed that human beings live for a telos or end, which is eudaimonia. Aquinas saw that goodness was the reason in which one was lead by. The only problem in this was that everyone has a different opinion as to what exactly is good and what is not.