In this lesson of Sūrah At-Tawbah (verses 107-111), Shaykh Dr. Aḥsan Ḥanīf explores the contrast between sincerity and hypocrisy in faith. These verses highlight the actions of the hypocrites who built a mosque with malicious intent—causing harm, spreading disbelief, and dividing the believers. Allāh عَزَّ وَجَلَّ commands the Prophet ﷺ to avoid it, emphasising that a mosque founded on righteousness is where true purification takes place. The passage further draws a striking analogy between a firm foundation built on piety and one destined for destruction, warning of the consequences of insincerity. The lesson concludes with Allāh’s powerful declaration: He has purchased the lives and wealth of the believers in exchange for Paradise—a transaction of ultimate success.