Normally there might be no distinction between just one who is sincere and a single who's a liar. This can be because of the knowledge of Allah, may He be exalted, that He has produced His slaves accountable and enjoined certain things on them. Imam Ahmad narrated (12089) that Anas https://jannahfirdaus15948.isblog.net/considerations-to-know-about-jannah-firdaus-47878456