Mr. Macron will deliver a solemn eulogy to Mr. Paty on Wednesday at the Sorbonne. He has already been hailed as a martyr of the French Republic. The emotion of thousands who turned out for him across France was real. A huge gathering at the Place de la Republique in Paris recalled the ones held after the attacks of 2015. But a few wondered about what had transpired in Mr. Paty’s class. “I feel like it’s very hard to use these cartoons for strictly educational purposes,” said Farhad Khosrokhavar, a sociologist at the School for Advanced Studies in the Social Sciences, EHESS, in Paris. “Secularists think that it is their right, because of the law that allows blasphemy and any form of mockery of religion. But on the other hand, there is the feeling that in doing so, it is the Muslims who are despised, not the prophet,” he said. “By using cartoons to teach freedom of expression, we do not understand that we offend people,” Mr. Khosrokhavar said. “There are a thousand ways to express free