The Brazilian star made an impressive start to his career in France, scoring 19 goals and providing 13 assists in just 20 league games, before suffering an injury which ruled him out for his club's crucial second leg tie in the Champion's League last 16 match against eventual champions Real Madrid.
No matter the success of the player in the Paris so far, he does not think he is worth the amount the French champions paid for him.
"I'm not proud of the transfer fee, nor of the fact I'm the most expensive player ever," he told 'spox.com'.
"That's just money and nothing else. I cannot help it. Personally, I would have paid less for myself."
Neymar still conceeded that he is happy with the progress he has made in his career, as he hopes to lead his nation to World Cup victory this summer in Russia.