Celtic striker Georgios Samaras has called on his side to extend their 10-match unbeaten run and strengthen their position at the top of the SPL.
The Hoops were trailing Rangers by 15 points earlier in the campaign but beat their Old Firm rivals before overcoming Dunfermline to go two points clear.
Celtic take on Peterhead in the Scottish Cup on Sunday before returning to league duty and Samaras hopes to keep the fine form going.
He told the Celtic View: "So many people were saying the league was over - they thought 15 points was too big a gap to pull back.
"But we put in some great performances, won some important games and have now won 10 in a row.
"The important thing now is to build on this. We can't sit back and get complacent, we've done the hard part of closing the gap, but keeping up our form will be even harder.
"We have to win all of our games and January will be a very important month for us."
Celtic last dropped points in the SPL in October against Hibernian.
Samaras added: "I couldn't pick out one game that turned things around for us but if you look back to the game we drew 0-0 with Hibs, we were all very low after that.
"But only a few days later we played in Europe and beat Rennes at home. Then we went away to Motherwell and that was a massive game for us because they were challenging our position in the table.
"We beat them, and that gave us a lot of confidence. And a few weeks later we beat St Mirren 5-0 at home - that was a really good afternoon. We had just started a run at that time and that pushed us on and helped us a lot.
"There were a few big results for us around that time, and even though I didn't play against Kilmarnock, coming back from 3-0 to get a point (on October 15) helped the guys who played. Their confidence grew.
"We don't want to be in that position again, though, and hopefully now we will continue this form and not look back."