In daily life, the issue of najis (ritual impurity) is often regarded as something trivial. Some people assume that discussions about najis concern nothing more than physical cleanliness.
In Islam, however, the matter of najis holds great significance because it is directly related to purity. It is a prerequisite for the validity of many acts of worship, particularly prayer (salah). Therefore, Muslims are required to be careful in keeping themselves, their clothing, and their places of worship free from impurities.
Linguistically, the word najis comes from the Arabic root نَجُسَ – يَنْجُسُ – نَجَاسَةً (najusa – yanjusu – najaasatan), meaning “dirty” or “something that causes impurity.” In Islamic Jurisprudence (fiqh), najis refers to anything that is considered impure by Islamic law. Najis can prevent the validity of certain acts of worship unless there is a legally recognized concession (rukhsah).
Islamic scholars generally classify najis into three categories:
- First, najis mukhaffafah (light impurity), such as the urine of a male infant who has not yet consumed anything other than breast milk.
- Second, najis mutawassithah (moderate impurity), such as human urine in general.
- Third, najis mughallazhah (severe impurity), such as contamination caused by a dog’s saliva, which requires a special method of purification according to Islamic teachings.
The importance of maintaining purity from najis is emphasized directly in the Qur’an. When commanding Prophet Muhammad (peace be upon him) to begin his mission, Allah says:
وَثِيَابَكَ فَطَهِّرْ
“And purify your garments.” (QS. al-Mudatsir [74]: 4)
This verse demonstrates that cleanliness and purity are inseparable aspects of a believer’s life. Purity is not merely a matter of physical appearance. It also symbolizes a servant’s spiritual readiness to stand before Allah.
The Prophet Muhammad (peace be upon him) likewise stressed the importance of purification. In a hadith narrated by Imam Muslim, he said:
عَنْ ابْنِ عُمَرَ قَالَ: سَمِعْتُ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يَقُولُ: لَا تُقْبَلُ صَلَاةٌ بِغَيْرِ طُهُورٍ، وَلَا صَدَقَةٌ مِنْ غُلُولٍ
“I heard the Messenger of Allah say: ‘Prayer is not accepted without purification, and charity is not accepted from wealth acquired through betrayal.’” (HR. Muslim)
This hadith clearly indicates that purity is a condition for the acceptance of prayer. No matter how sincere or abundant a person’s worship may be, if the requirement of purity is not fulfilled, the act of worship is invalid.
Furthermore, the Prophet (peace be upon him) warned ths community not to take najis lightly, especially impurities from
عَنِ ابْنِ عَبَّاسٍ رَضِيَ اللَّهُ عَنْهُمَا أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ مَرَّ بِقَبْرَيْنِ فَقَالَ: إِنَّهُمَا لَيُعَذَّبَانِ وَمَا يُعَذَّبَانِ مِنْ كَبِيرٍ، أَمَّا أَحَدُهُمَا فَكَانَ لَا يَسْتَتِرُ مِنْ بَوْلِهِ، وَأَمَّا الْآخَرُ فَكَانَ يَمْشِي بِالنَّمِيمَةِ
“The Messenger of Allah passed by two graves and said: ‘Indeed, the occupants of these graves are being punished, and they are not being punished for something people consider major. One of them did not take care to protect himself from his urine, while the other used to spread malicious gossip.’” (al-Bukhari)
This hadith conveys a profound lesson. A person may regard a few drops of urine on their body or clothing as insignificant, yet in the sight of Allah such negligence can have serious consequences when it stems from carelessness and disregard for religious obligations.
Nevertheless, Islam does not want believers to fall into excessive doubt (waswas). The religion is built upon principles of ease and balance. Something is not considered impure merely because of suspicion or uncertainty. A well-known legal maxim states that certainty is not removed by doubt. Therefore, unless there is clear evidence that impurity is present, the original ruling of a thing remains purity.
This principle is consistent with the words of Allah:
لَا يُكَلِّفُ اللَّهُ نَفْسًا إِلَّا وُسْعَهَا
“Allah does not burden a soul beyond its capacity.” (QS. al-Baqarah [2]: 286)
This verse teaches that the obligation to avoid najis should be carried out according to human capability. Muslims are commanded to be careful, but they are not required to live in constant anxiety and endless doubt.
In another hadith, the Prophet (peace be upon him) highlighted the breadth of Allah’s mercy toward this community:
عَنِ ابْنِ عَبَّاسٍ رَضِيَ اللَّهُ عَنْهُمَا أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ: إِنَّ اللَّهَ تَجَاوَزَ لِي عَنْ أُمَّتِي الْخَطَأَ وَالنِّسْيَانَ وَمَا اسْتُكْرِهُوا عَلَيْهِ
“Indeed, Allah has pardoned my community for mistakes, forgetfulness, and what they are compelled to do.” (HR. Ibnu Majah)
Therefore, the proper attitude toward issues of najis is one of moderation. Muslims should sincerely strive to maintain cleanliness and purity, learn the rulings concerning najis correctly, and remove impurities in accordance with Islamic teachings. At the same time, they should avoid becoming trapped in baseless suspicions, excessive doubts, and self-imposed hardships.
Reference:
The Council for Religious Opinion and Reform of The Central Board of Muhammadiyah., “Pentingnya Kehati-hatian dalam Persoalan Najis”, Suara Muhammadiyah ed. 109, 2024.
