quotes from graham speirs on the celtic and rangers supports

"You only need to spend one ear-splitting evening at Parkhead to be reminded of what the club's Irish lineage means to Celtic in terms of culture, box office and entertainment.
One thing is for sure. Celtic cannot afford to - and would not want to - ignore the ancient sod"

And previous visit to Old Trafford when Rangers were in town -

"Should Rangers not survive Group E, one consolation is that the arenas of Europe will be spared the putrid stench of their travelling supporters appearing like savages in their midst. The other night at Old Trafford, where a vociferous gathering of the zealots were packed into a corner of the stadium, was a reminder of how often we glibly ignore the poisonous singing at Ibrox.
Literally, the stinking, bigoted religious stuff was no choral minority or even small majority almost to a man they were stomping and chanting sentiments which most people would regard as belonging to a backward culture"