The Scottish champions qualified for the knockout stages for the second season in succession on Tuesday along with AC Milan despite a 1-0 defeat in the San Siro - and the 34-year-old believes the Hoops can go one stage further.
He said: "To qualify through to the last 16 again considering the budgets of the other teams is a remarkable achievement. There is a desire to progress past the last 16. We are not just there to make the numbers up."
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