I was so frustrated in Sabbath after the last few albums. I just didn't like the musical direction Sabbath was going in

I'd sort of dabbled in Black Magic, not practicing it, but I was interested in it. All these horrible things kept happening to me - a lot of my aunts and uncles started dying and I was seeing all these bloody things visiting me during the night.

To do the Ozzfest again would be great. I'd like to finish with a final Sabbath album. You always feel that it is still a challenge.

I don't feel a lack of hope. It's just disappointment that after all these years we're still fighting meaningless wars for a handful of people.

Toward the later days of Sabbath, instead of going in and knocking out what songs we did in rehearsal, we would polish them to death.

Black Sabbath was written on bass: I just walked into the studio and went, bah, bah, bah, and everybody joined in and we just did it.

The Geezer album, Black Science, had a lot of keyboards and it did not work.