The second leg is Wednesday at the Camp Nou in Barcelona.
He told the post-match press conference: "We've had hard moments in the Liga and Copa del Rey, but it's always hard to maintain the same level while playing every three days".
"I am only focusing on the game on Saturday [against Eibar]", he said "In April we will have time to look ahead and focus on the Champions League".
"'We are sad, as is normal, because of the result, because we did not qualify but also because of the game we played tonight", said PSG's Thiago Motta.
More worringly for PSG, it wouldn't be unforeseeable for Real Madrid to make such an offer - given the fact that they now need to consider their forward options for the era after Ronaldo.
The tie had escaped them before Verratti was sent off midway through the second half, picking up a second yellow card for dissent.
It means key players are likely to be rested and others given the opportunity to stake a claim, particularly in attack, where the third spot next to Lionel Messi and Luis Suarez is yet to be established. "We have to stay united, as we were tonight".
They levelled in the 71st when the ball deflected into the net off Cavani to peg PSG back a little.
Reigning champions, the first ever back-to-back Champions League winners, Zinedine Zidane's men are streetwise beyond compare in this competition, even if their domestic form leaves a lot to be desired.
"Madrid have won the last two cups and those people said there were dead". We'll continue with patience, and build a team that can win. I have to select a team every three days and that is what I do.
"I think he will have to be there for at least one more year, and then we will see what happens".
That deadline expired with Tuesday's limp defeat to holder Real Madrid in the last 16, leaving the French side as far away from being European champion as at any point since Qatar Sports Investments (QSI) bought the club in 2011.
Coach Jürgen Klopp rested a number of his first choice eleven including top scorer Mo Salah, with qualification all-but assured by a Sadio Mane-inspired 5-0 win in Portugal.