Description
Allah has created man to place him on earth, generations after generations, and to cultivate this earth with the Tawhid of Allah سبحانه وتعالى Allah created in the man a piece of flesh, if it is sound and healthy, the whole body becomes sound and healthy; but if it is corrupted, the whole body becomes corrupted, that is the heart.
This piece of flesh is very tiny but influential because the spiritual and material life of the man are based on it. This piece is susceptible to both righteousness and corruption. It may be good and sound for,
"Who comes to Allah with a clean heart clean from Shirk (polytheism) and Nifäq (hypocrisy)]." [Sürah Ash-Shu'arā 26:89]
