Messi is also glad he chose to play for Argentina, rather than Spain, in his worldwide career even though he would nearly certainly be a World Cup and dual European Championship victor if he had chosen differently.
He doubled their lead 12 minutes into the second half with a simple tap-in after the goalkeeper could only parry a header, scored Argentina's third after 65 minutes, and then set up Sergio Aguero to make it four just two minutes later.
"We all want to be crowned world champions".
The five-time Ballon d'Or victor also expressed his views on how fame affects his lifestyle and how he has to miss out on a few occasions with his family, while also admitting that he is thankful for the love he receives.
The South American nation played their first 2018 World Cup warm-up match against Haiti on Tuesday night and Messi looked incredibly sharp.
The gulf in class was obvious in Buenos Aires, where 103 spots separated fifth-ranked Argentina and Haiti.
And Messi, unsurprisingly, was the star of the show.
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You can watch Messi's highlights here...
This was a clear warning to the rest of the nations competing in Russian Federation this summer.
In an interview with Argentine Canal 13, Messi also discussed why he did not take the chance to play for Spain and said that Barcelona will be his only European club.
"We all go to Russian Federation for the same reason, the World Cup is the dream of us, of the country". We are not favourites becuse we had a hard phase, we struggled to qualify. We're working well, we have players with ability and experience, but we have to go slowly.
But he "would swap any one of those titles with Barcelona" for a World Cup win. We have to aim to win the first game, which is the most important because it will give us peace of mind.
"We are going with a great squad that is becoming strong at the team and individual level. This is a handsome opportunity and we're going to give it our all".
Spain is the type of team Argentina will have to face and beat in the latter stages of the World Cup, and the defense didn't provide much reason for optimism even though it can point to Messi's absence as a reason the opponents were living on their side of the field. Have your say in the comments section below.