Don’t think this is the only time either, this specific quote is before a CL game but i’m pretty sure he’s made the point the other way as well before a league game in a title run in about how it would be full against a smaller side.
but searches at the minute are completely clogged with the recent stories
Pep Guardiola insists Manchester City’s owners have never put pressure on him to win the Champions League – but believes he is getting closer to turning domestic dominance into European glory.
www.google.com
“I know for the fans the Premier League is the most exciting. We know as a club that people prefer by far to win the Premier League than the Champions League - I know how special it is.
“But this competition is nice too and our fans have to live this competition as a dream. That is a reality of our club.”