The Italian giants trailed 2-0 on aggregate going into the second leg in Turin, but a superb hat-trick from Ronaldo turned the tie on its head and sent Juve through to the quarter-finals.
"Ronaldo was the star during the four Champions League titles in five years".
"Atletico were a hard team but we were strong too".
Ronaldo, meanwhile, might want to watch what he sends to Evra in future because the former France worldwide clearly doesn't hesitate to share any messages with the public.
A couple of goals tonight would put him well in contention to win the Golden Boot, although it will be silly to rule out Cristiano Ronaldo, who turns things on in the knockout stages and is now on four goals.
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"We'll have to see who we are drawn with and prepare for what is to come, which will be the hardest part yet".
Barca will find out their next opponents in the Champions League in Friday's draw, with the first leg games taking place on April 9 and 10 and the return matches on April 16 and 17.
Messi added: "There are some very good teams left like Manchester City, Juventus like I said". "[Manchester] City, Juventus, Ajax, who have a great team of kids and don't fear anything, Liverpool, who've shown they pack a punch. The important thing is that we got the third goal and then we were far calmer".
"We're relaxed and what we have to prepare for is the toughest test possible, which is what's coming now in the final stage of the season".
"We did everything we could to stop (Messi), but when he is playing like this he is one of the best players of all time", Lyon coach Bruno Genesio said.