English Translation of Al-Quran
[40].Surah Al Mumin (The Believer) also known as Surah Ghafir [The Forgiver]
Ayat 19. Allah knows the fraud of the eyes, and all that the hearts and breasts conceal.
Ayat 20. And Allah judges with truth, while those to whom they invoke besides Him, cannot judge anything. Certainly, Allah! He is the All-Hearer, the All-Seer.
Tafseer of Surah Al Mumin (The Believer) Ayat 19 & 20. ((Allah)) knows of (the tricks) that deceive with the eyes, and all that the hearts (of men) conceal. Men may be taken in by tricks that deceive with the eyes, but Allah’s perfect knowledge penetrates through all mysteries. “Deceive with the eyes” may mean several things: (1) a sleight of hand (literally or figuratively) may deceive in respect of the eyes of beholders, for the things that they see do not actually happen; (2) it may be the deceiver’s own eyes that play false, because, for example, they show love when hatred is meant; or (3) it may be that the eyes of the beholder play him false, in that he sees things that he should not see, and thus sins with his eyes. Here we come into the region of evil motives and thoughts which may be concealed in the hearts, breast, or mind, but which are all perfectly known to Allah. Ayat 20. And Allah will judge with (justice and) Truth: but those whom (men) invoke besides Him, will not (be in a position) to judge at all. Verily it is Allah (alone) Who hears and sees (all things). If men build their hopes or their faith in anything except the Divine Grace, they will find themselves deserted. Any pretenses’ that they make will be known to Allah. On the other hand every single good act, or word, or motive, or aspiration of their will, will reach Allah’s Throne of Mercy.
English Translation of Hadith
Hazrat Numan bin Bashir (May Allah be pleased with him) reported: The Messenger of Allah ﷺ [SAWW](PBUH) said, verily, there is a piece of flesh in the body, if it is healthy, the whole body is healthy, and if it is corrupt, the whole body is corrupt. Verily, it is the heart.”
[Muslim Book 10, Chapter 41, Hadith # 3882].
Lesson: as mentioned above in Surah Al-Mumin Ayat 19. Allah knows the fraud of the eyes, and all that the hearts and breasts conceal”, an important point underlying this Hadith concerns the heart. Its purity or impurity directly affects human conduct in a good or bad way. It is, therefore, absolutely necessary to cleanse the heart of all wiles and impurities, and this is not possible without sound Faith and consciousness of Allah.