Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
tabarani:12852Yūsuf al-Qāḍī > Sulaymān b. Ḥarb > Yazīd b. Ibrāhīm > Muḥammad b. Sīrīn > Nubbiʾt > Ibn ʿAbbās

[Machine] The Prophet of Allah ﷺ turned away and rewarded him, even if he knew that there was harm in him, he would not have given him.  

الطبراني:١٢٨٥٢حَدَّثَنَا يُوسُفُ الْقَاضِي ثنا سُلَيْمَانُ بْنُ حَرْبٍ ثنا يَزِيدُ بْنُ إِبْرَاهِيمَ عَنْ مُحَمَّدِ بْنِ سِيرِينَ قَالَ نُبِّئْتُ أَنَّ ابْنَ عَبَّاسٍ قَالَ

«احْتَجَمَ رَسُولُ اللهِ ﷺ وَآجَرَهُ وَلَوْ عَلِمَ أَنَّ بِهِ بَأْسًا لَمْ يُعْطِهِ»  


See similar narrations below:

Collected by Bukhārī, Abū Dāwūd, Bayhaqī
bukhari:2279Musaddad > Yazīd b. Zurayʿ > Khālid > ʿIkrimah > Ibn ʿAbbās

When the Prophet ﷺ was cupped, he paid the man who cupped him his wages. If it had been undesirable he would not have paid him.  

البخاري:٢٢٧٩حَدَّثَنَا مُسَدَّدٌ حَدَّثَنَا يَزِيدُ بْنُ زُرَيْعٍ عَنْ خَالِدٍ عَنْ عِكْرِمَةَ عَنِ ابْنِ عَبَّاسٍ ؓ قَالَ

احْتَجَمَ النَّبِيُّ ﷺ وَأَعْطَى الْحَجَّامَ أَجْرَهُ وَلَوْ عَلِمَ كَرَاهِيَةً لَمْ يُعْطِهِ  

abudawud:3423Musaddad > Yazīd b. Zurayʿ > Khālid > ʿIkrimah > Ibn ʿAbbās

The Messenger of Allah ﷺ got him self cupped and gave the cupper his wages. Had he considered it impure, he would not have given it (wage) to him.  

أبو داود:٣٤٢٣حَدَّثَنَا مُسَدَّدٌ حَدَّثَنَا يَزِيدُ بْنُ زُرَيْعٍ حَدَّثَنَا خَالِدٌ عَنْ عِكْرِمَةَ عَنِ ابْنِ عَبَّاسٍ قَالَ

احْتَجَمَ رَسُولُ اللَّهِ ﷺ وَأَعْطَى الْحَجَّامَ أَجْرَهُ وَلَوْ عَلِمَهُ خَبِيثًا لَمْ يُعْطِهِ  

bayhaqi:19518ʿAlī b. Aḥmad b. ʿAbdān > Aḥmad b. ʿUbayd > Ismāʿīl b. Isḥāq > Ḥajjāj And Sulaymān > Yazīd b. Ibrāhīm > Muḥammad b. Sīrīn > Unbiʾt > Ibn ʿAbbās
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البيهقي:١٩٥١٨أَخْبَرَنَا عَلِيُّ بْنُ أَحْمَدَ بْنِ عَبْدَانَ أنبأ أَحْمَدُ بْنُ عُبَيْدٍ ثنا إِسْمَاعِيلُ بْنُ إِسْحَاقَ ثنا حَجَّاجٌ وَسُلَيْمَانُ قَالَا ثنا يَزِيدُ بْنُ إِبْرَاهِيمَ ثنا مُحَمَّدُ بْنُ سِيرِينَ قَالَ أُنْبِئْتُ أَنَّ ابْنَ عَبَّاسٍ ؓ قَالَ

احْتَجَمَ رَسُولُ اللهِ ﷺ وَأَجَرَهُ وَلَوْ رَأَى بِهِ بَأْسًا لَمْ يُعْطِهِ