Rosemary Mahoney

We always think, 'Well, for a person who's blind, it must be an amazing, joyful miracle if by some chance their sight is restored to them.' Now, this may be true for blind people who lost their vision at a later age. It's rarely true for people who were born blind or who go blind at a very young age.

If a man made himself an expert in any particular branch of human activity, there would result the strong tendency that a peculiar aptitude towards the same branch would be found among some of his descendants.