More:
"Believe me, you don't leave Manchester United and go anywhere else, club or country.
"I've no idea how the link with Ireland came and I've been linked with England lately, too.
"There won't be another job."
Ferguson told The Mail on Sunday he does not know when that will be though.
"You never know, it could be any time. If you're fit and healthy you are the happiest man in the world - and at the moment I feel fine.
"But anyone could walk out the door and fall down dead. That's any time."