Issue No.137-An object which was previously ṭāhir and one doubts whether or not has become najis, will be considered as ṭāhir. If an object was previously najis and one doubts whether or not it has become ṭāhir will be considered as najis.
Issue No.138- If a person knows that out of two containers, or two pieces of clothing which are available to him, one that he cannot identify has become najis, he must refrain from both. But, for instance, if one does not know whether it is his own shirt that became najis, or someone else’s shirt that is not available to him, then it is not necessary to refrain from using his own shirt.
Issue No.139- Those who have waswās [1] must not pay attention to their own certainty in matters related to ṭahārah and najāsah; rather they must observe those cases in which ordinary people become certain about something being ṭāhir or najis, and act accordingly. The best way to be released from obsession is to ignore it.
Issue No.140- Excessive precaution in the issues relating to ṭahārah and najāsah is discouraged by the sharia and impermissible as an obligatory precaution if it leads to obsession.
Issue No.141- If a person suspects that something may have become najis, it is not necessary to investigate or inquire about it. As a matter of fact, it is not permissible to investigate in the case of it causing obsession.
Issue No.142- In addition to observing the issues concerning ṭahārah and najāsah, It is recommended to observe cleanliness of the body, clothes, home, vehicle and the whole environment as manifested in the acts of the holy prophet (ṣ) and the infallible Imams (as).
Issue No.144- If one has doubts about the wetness or contact, the object will remain ṭāhir.
Issue No.145- If one knows that a part of a carpet or clothes has become najis, but does not know which part of it, and one touches a part of it, the hand that touches some part of the carpet does not become najis. Similarly, when he knows that one of two objects is najis, but he does not know which one, if one of them comes in contact with a ṭāhir object, it will not make it najis.
Issue No.146- If the ground, clothes, etc., are wet and a najis object comes in contact with a part of them, only that part becomes najis and the rest is ṭāhir unless the wetness is so much that it spreads to another part. The same applies to cucumbers, melons, yoghurt, etc.; if the wetness in them is not much and does not permeate, then only the part that comes in contact with najāsah becomes najis.
Issue No.147- When oil or syrup is in fluid state, if a spot of it becomes najis the entire quantity will become najis. However, if it is not fluid and does not spread from one part to another only the spot that has come in contact with najāsah becomes najis and it can be removed and thrown away.
Issue No.147- When oil or syrup is in fluid state, if a spot of it becomes najis the entire quantity will become najis. However, if it is not fluid and does not spread from one part to another only the spot that has come in contact with najāsah becomes najis and it can be removed and thrown away.
Issue No.148- If a fly or any other insect sits on something najis which is wet, and then sits on a ṭāhir object, it will not become najis, since it is likely that the legs of the insect have not acquired any wetness. However, if one is sure that it has carried a najāsah with it and the najāsah has been transferred, it will become najis.
