"People were talking about £2m for him and I got stick for saying 'you're having a laugh'.
"I knew Scott was worth at least double that and got it. Tommy Craig and I got his valuation right but not many others did. I didn't laugh when I heard the story before the transfer window shut about a £9m bid from Newcastle.
"He's the same player at Celtic, he's just got a bigger stage and more people are seeing him.
"And nothing bothers Scott. When he puts his strip on it doesn't matter if it's down in the park, on the training ground or in front of 100,000 people.
"Unfortunately the English teams thought 'he's only playing for Hibs'. Now he's playing for Celtic and he's the star man they look on him differently."