The human heart in the Glorious Quran


By : Dr Zaghloul El-Naggar


The human heart is mentioned (132) times in the Glorious Qur’an.  Of these Qur’anic statements, some describe this sentient organ as having the capacity of being a center of reasoning, intentions and decision-making. Consequently, human hearts can either be healthy or diseased. Healthy (or soft hearts) can have their humane attitude and balanced rational, while diseased (or hard, stony) hearts can lose both their humane touch and their capacity to see and understand.

Such Qur’anic emphasis on the role of the human heart – in the mental, emotional and spiritual decisions of man came, down more than 14 centuries ago, while physicians have – for centuries – been restricting the function of the human heart to the mere process of pumping the blood throughout the human body . 

However, science has recently proven that the human heart is as sentient as the human brain, if not much more, as it has its own form of intelligence. Not only this, but it has been proven experimentally that the human heart does influence the brain’s thinking capacity, and hence its physical capability of accepting, comprehending and storing knowledge. It has also been proven that the human heart communicates with both the brain and the rest of the human body neurologically (through the nervous system), biophysically (through pulse waves), biochemically (through certain hormones), and electromagnetically (through energetic waves).

The human heart’s electromagnetic field is the most powerful rhythmic field produced by the human body. It envelopes every cell in that body, and extends out in all directions into the space surrounding it, as an important carrier of information.



The recently discovered human heart – brain synchronization (or the so-called Cardiac Coherence) has become an established fact, proving that the human heart’s activity influences that of the brain, and that the heart has its own form of intelligence.  Cardiac intelligence can process information about its body as well as its surroundings. This takes place through an “info – energetic code” in the form of a profuse network of blood vessels and cells that serve as energy information gathering and distributing system, recently termed “the heart code” by Paul Pearsall. 

For the Noble Qur’an to spell out this fact more than 14 centuries ago is a living testimony to both its divine origin and the correct prophethood of the noble messenger who had received it.




The Glorious Qur’an which was revealed more than 14 centuries ago emphasized the fact that the human heart is a highly sentient organ with the capacity of feeling, reasoning and decision-making. Such cardiac qualities have only been very recently discovered in the later part of the twentieth century, and the early part of the twenty-first century. For a book revealed in the seventh century, to an unlettered Prophet, in an unlettered society, to spell these facts out in a very precise language is a living testimony to both the divine nature of the book and the correct Prophethood of its recipient.

The human heart is mentioned in the Glorious Qur’an (132) times, besides several other notions under the term “Fouâad” (or inner heart) (16) times, and under the metaphoric term (chest) which means the heart (44) times.

heart of stone


“Then, after that, your hearts were hardened and became as stones or even

worse in hardness. And indeed, there are stones out of which rivers gush forth,

and indeed, there are of them (stones) which split asunder so that water flows

from them, and indeed, there are of them (stones) which fall down for fear of

Allah. And Allah is not unaware of what you do”.

(Surat Al-Baqarah (The Cow): 74)


Thus the Glorious Qur’an, has emphasized in more than (180) of its verses the fact that the human heart is a sentient organ that has its own form of intelligence, and hence, can play an important role in the mental, spiritual and emotional activates of the individual. This is a precedence to all the humanly acquired knowledge by more than (1400) years. It has been very recently discovered that heart transplant patients who receive a heart from another person’s body, also receive some of his or her personal memoirs, talents, likes and dislikes. Heart recipients have reported inheriting many things from the donor’s knowledge and experiences to his or her food carvings (e.g. Paul Pearsall, 2002- 2008).

Such observations have indicated that the human heart has its own intelligence that is manifested in having the capacity to process the necessary information about both the human body and the outside world surrounding it, through what Pearsall calls an “info – energetic code”. Such a code is described as a profuse network of blood vessels and cells that serve not only as our circulatory system, but as an energy information gathering and distributing system, much like a complex telephone network.


The Qur’anic descriptions of the human heart, more than (1400) years ago is more precise, integral and comprehensive as it describes the human heart as being hard or soft, prefect or imperfect, arrogant or considerate, repenting or conceited, knowing or ignoble, open or sealed, good or evil, believing or disbelieving, submissive or obstinate, observant or negligent, healthy or diseased, guided or misguided, confident or different, fearful or fearless, comprehending or non-comprehending, peaceful or terrified, factual or disillusioned, penitent or adamant, pious or impious, intellectual or unintellectual, perceiving or non-perceiving, seeing or blind, cognizant or ignorant, stable or unstable, amiable or hateful (repugnant), sealed or unsealed, locked or unlocked, kind and merciful or unkind and merciless, quiet or agitated, clear or perturbed, hard (stony) and cruel or soft and kind, capable of acquiring good deeds or evil ones.


Such qualities and much more far exceed what has been very recently disclosed by cardiologists, and testify for the fact that the Noble Qur’an cannot be but the word of the creator in its divine purity, and that Prophet Mohammad (p.b.u.h.) is the seal of that long chain of Prophets and Messenger sent by our Creator for the guidance of man.




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