Liverpool boss Arne Slot speaking to BBC Sport: "Disappointment about the result, disappointment about going out and very disappointed about the 20 minutes where we conceded four goals.
"The way we defended in that period, you will never be able to win a game of football."
On what he thought when the game was goalless on 38 minutes: "I liked a lot I saw today. We did a lot very well on and off the ball, generated some good chances. We kept them away from any danger. Until that penalty moment there was a lot to like.
"The 20 minutes after, for what you can expect of a Liverpool team were far from good enough defensively.
"There are many reoccurring themes. One is we miss our chances, one is in general we don't concede much but the few chances we concede go in. That is maybe due to how much we put in. We have to improve the box defending and that was also shown today."
On conceding just before half-time: "The 2-0 is a killer but you are still in the game if you can score a goal in the second half but that was our poorest of the game, the first 10 minutes of the second half when we conceded two goals. Those are things we need to improve.
"We were having the 10 worst minutes of the game. There is a worry they can score more, but that's not what happened. We got chances including a penalty but we couldn't convert one."
On his players needing to show character against PSG: "That's what Liverpool players have to do, we have to react to this defeat and this disappointing season. There is a chance for us on Wednesday.
"We have shown today for only 35 minutes that we can compete. We can take positives from those 35 minutes but if we defend like the 20 minutes afterwards we will gave a big problem. That is what we have to address."
Liverpool's Dominik Szoboszlai speaking to TNT Sports: "I don't know. When you do something and there is no result for it it makes no sense. We had chances and missed them, we conceded an easy penalty. We lose 4-0. We cannot concede as much as we concede. Nothing else to say.
"It's hard to win here. After 1-0 down you still believe. At 2-0 down, it's our own fault to come in at half-time conceding in the last minute another goal. At 2-0 the chances are lower and lower.
"You come out and want to show we are able to come back and you concede a third one, from then on, there is no more chance to come back."
On what was missing: "The fighting spirit wasn't there enough, the mentality wasn't there enough. None of us were there to be honest as much as we could.
"It's a hard time but we have to stick together. On Wednesday there is another chance but we have to get in our head this is not the season we would like to end."
On why the mentality wasn't there: "That's a good question. I don't know. It's hard to find words to be honest. We wanted this one so much. You lose 4-0 at City and it's not the best."
On trying to bounce back in the Champions League in the last bid for a trophy this season: "We have to forget as much as we can and as soon as we can and just keep on fighting all the time.
"I always say when we do it and we are winning, when we don't do it we are losing. You have to fight, work hard, be there for each other and that's what we are missing sometimes."
You can listen to Arne Slot above or on BBC Sounds here.
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