Holland international De Ligt was wanted by most of Europe’s major clubs after a standout season with Ajax, and eventually opted to join the Italian champions.
Jesus, a Portuguese coach who previously bossed Benfica and Sporting CP, one of Ronaldo's former clubs, has called on Neymar to change his approach if he wants to match the Juventus forward.
The La Liga champions have been heavily linked with a move for their former forward since the end of last season.
The Brazil international will not be leaving the Parc des Princes ahead of the European transfer deadline on Monday.
The Argentina international has fallen out of favour at San Siro following the appointment of Antonio Conte earlier this summer.
The Catalan club’s summer efforts to bring the Brazilian back to the Nou Camp failed as the transfer deadline passed on Monday evening.
The Brazil international was keen to return to the Camp Nou after two underwhelming seasons with the French champions.
Barcelona and Real Madrid wanted to bring the Brazilian back to Spain's top flight this summer.Talks broke down between his former employers Barça and the French champions late in the window, ending any chance of a return to the Camp Nou.