"I think we have to sort things out".
Adrien Rabiot opened the scoring for the visitors but the holders staged a dramatic comeback as Ronaldo equalised on the stroke of half-time from the penalty spot, before the Portugal worldwide put Real ahead seven minutes from time.
"Any mistake can you cost you in games like this and in Paris, we will have to maintain maximum concentration".
"I am disappointed. We started by producing the match that we needed to. We need to win there too".
"We're going to play the return leg at home, put them under a lot of pressure, and we'll do everything to qualify in front of our fans".
Paris Saint-Germain's Brazilian forward Neymar walks on the pitch at the Santiago Bernabeu stadium in Madrid on February 13CHRISTOPHE SIMON AFP Getty
In contrast, PSG coach Unai Emery focused his frustration on the Italian referee Gianluca Rocchi.
Senegal winger Mane netted from close range after Firmino's strike was saved and then the Brazilian forward scored himself from James Milner's ball.
Neymar's heroics for Barcelona last season that helped the Spanish team turn the tables against PSG is still fresh in everyone's minds and Neymar has settled in his life at Paris well.
In what has been a comparatively hard season for Zidane, Ronaldo and Real, the reigning champions possessed the necessary nous and big-game experience to secure the victory.
The results (round of 16, first-leg): At Madrid: Real Madrid 3 (Ronaldo 45-pen, 83, Marcelo 86) bt PSG 1 (Rabiot 33).
"Last year I was in a much worse situation and got through".
They responded on Twitter, posting a picture of the midfielder's comments, with the caption "We did everything to give PSG confidence before Real Madrid".