Filth الرجس

In the Quran, filth (rijs) is rarely a matter of mud or soil; it is fundamentally a spiritual and intellectual contagion. The text classifies both a plate of forbidden meat and a rigid, unreasoning mind as forms of contamination. While early revelations issue sweeping commands to the Prophet to "keep away from all filth" (74:5), later verses categorize exactly what constitutes this revulsion, framing it not merely as a state of being, but as an active force—often Satan's doing (5:90)—that must be deliberately shunned.

Is filth physical or spiritual in the Quran?

The Quran identifies several practices as inherent contaminations. Intoxicants, gambling, idolatry, and divining with arrows are grouped together as repugnant acts (5:90). The text explicitly commands believers to "shun the filth of idolatrous beliefs and practices and shun false utterances" (22:30). As Al-Wahidi notes (Al-Tafsir al-Basit, 15/382), when the Quran attaches filth to idols, the idol itself is classified as the filth, entirely distinct from any concept of physical dirtiness.

This spiritual taint extends to human behavior and intent. Hypocrites who swear false oaths to avoid their obligations are described as inherently "loathsome," with the decree that Hell will be their home as a reward for their actions (9:95).

What foods are considered loathsome?

Physical consumption is also subject to the boundaries of purity. The Quran specifies a narrow list of dietary prohibitions, declaring that nothing is forbidden for people to eat except carrion, flowing blood, pig’s meat—which is explicitly labeled as "loathsome"—or sinful offerings over which any name other than God’s has been invoked (6:145). Even within these strict limits, the text recognizes human frailty, lifting the prohibition for someone forced by acute hunger rather than desire or excess, emphasizing divine forgiveness.

How does disbelief create internal foulness?

The most severe descriptions of filth apply to the intellect and the heart. The Quran states that God brings disgrace on those who "do not use their reason" (10:100). When a person rejects guidance, the resulting spiritual filth manifests as a suffocating internal reaction: God constricts their breast as if they were climbing up into the skies, making the foulness of their disbelief rebound directly against them (6:125).

For those who are perverse at heart, even divine revelation fails to act as a cleanser. Instead, each new sura only adds further to their perversity, cementing their state until they die disbelieving (9:125). Conversely, total purity is a matter of divine grace; the text highlights God's specific wish to keep uncleanness away from the people of the Prophet’s House and to "purify you thoroughly" (33:33).

Filth ultimately functions as both a human choice and a divine consequence. When communities stubbornly argue over mere names and invented gods, they place themselves directly in the path of their Lord's "loathing and anger" (7:71). This contamination of society is met with strict boundaries, promising a painful punishment in this world and the next for those who like indecency to spread among the believers: God knows and you do not (24:19).