"Those players that are rejoicing and thinking they're back and big players again will fall off their perch again - guaranteed", he told TV3 Sport after watching goals from Wes Morgan and Marc Albrighton send Leicester into the last-eight.
Leicester City have struggled to reignite the flames of their fairytale 2015-16 campaign this season but that could all be forgotten following their victory over Sevilla in the Champions League on Tuesday.
"They have done unbelievably well and now to see [Lionel] Messi here, [Cristiano] Ronaldo here or to see the Bayern Munich squad come here, it would be absolutely magnificent for the Leicester players, the fans and the club". They're a unsafe side, there's a feel-good factor around the place and they have the ability to hurt you if you take the game to them. "Leicester, because they are a unsafe and passionate team who can cause trouble for opponents who take the initiative", said Buffon after his team beat Porto 1-0 in their second leg on Tuesday night. They've done it once, they'll do it again, they'll let you down again. "We would have everything to lose".
"We have improved a lot, we gained confidence and that was the objective we had set ourselves five years ago when we started this journey, that Juventus had to be in the top eight of the Champions League every year".
A goalkeeper with a feeling is pretty pivotal for any team with UEFA Champions League ambitions - a point underlined by the sight of Schmeichel's father Peter chatting with another former European Cup-winning keeper Peter Shilton down by the dressing rooms afterwards.
Juventus manager Massimiliano Allegri has been tipped by many to take over from Arsene Wenger in the summer.
But their sudden transformation under Craig Shakespeare raises many questions. We have gone out and played more like we did last season and we are reaping the rewards of it now.
"We gave it everything we had, we left everything out there". "We know there's going to be some terrific teams, as there were in the previous round".
"It was the maximum result with the minimum effort, fine, but we didn't do it well in the second half. Instead we were too hasty and in a way it's fortunate, as now we can work on it in training and fix this problem".