The Portuguese megastar has provided the rescue act for the Red Devils on a number of occasions this season, after scoring 10 goals in 15 appearances across all competitions since arriving from Juventus.
It is this elite mentality which is carrying his teammates at times, and Ronaldo's relentless push for success is clear to see in a candid chat with Alex Telles.
The 36-year-old was heard having a casual conversation with the Brazilian defender before a session at United's Carrington training ground, ahead of an upcoming Champions League clash away at Villarreal.
He is heard saying: "We won the Champions League. The following year, we won it again.
"You never know what can happen. You never know."
It is believed that Ronaldo was referring to the 2015/16 season during his time at Real Madrid, when Rafael Benitez was sacked midway through the season and Los Blancos won the first of three consecutive Champions League titles.
United appear to be a long way short of being contenders to win this season's competition, despite having already secured their place in the knockout stages.
The Red Devils booked a place in the last-16 after a 2-0 win in that aforementioned match away at Villarreal, making their final group stages game against Young Boys a formality.
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