Question: How can a Muslim be sure that their deeds are performed with the required sincerity for Allaah (Exalted be He), to avoid them reproaching themselves too much? Doing this persistently can lead to invoking the evil insinuations that Islaam prohibits. In his treatises, Imaam Ibn Rajab recognized different conditions in relation to this issue. He said: “This is a subtle form of Riyaa’ (showing-off) that is only recognized by those who are protected by Allaah.” Is it then obligatory for us to stop reading about issues that make us upset and confused, and if so, what is the substitute? Is paying careful attention to obedience crucial for preserving sincerity?
Answer: Muslims should do their utmost to comply with Allaah’s Commands and to avoid His Prohibitions, hoping for His Reward and fearing His Punishment. If they are in doubt regarding any of their religious affairs, they should seek the help of knowledgeable scholars, because Allaah (Exalted be He) says… read more here.