Eli Roth

As a director, you have to know what actors are doing. You're the one telling them what to do. The actors' job is to come prepared to the set, but sometimes, if they're beginning actors or people who are non-actors, you have to teach them how to act.

When I have a creative insight, there is a high. I think back in the day, I made music as much as I did because it made me feel so good. I think you could argue that there is a creative addiction - but, you know, the healthy kind.

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.