Horace Walpole

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.

I don't believe in writer's block. Think about it - when you were blocked in college and had to write a paper, didn't it always manage to fix itself the night before the paper was due? Writer's block is having too much time on your hands.