Harm must not be caused nor reciprocated

“There should be neither harming nor reciprocating harm.”  

أَنَّ رَسُولَ اللَّهِ ﷺ قَضَى أَنْ لاَ ضَرَرَ وَلاَ ضِرَارَ  

Yahya related to me from Malik from Amr ibn Yahya al-Mazini from his father that the Messenger of Allah ﷺ said, "There is no injury nor return of injury."  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ لاَ ضَرَرَ وَلاَ ضِرَارَ  

[Machine] "There is no harm or injury."  

«لَا ضَرَرَ وَلَا ضِرَارَ»  

[Machine] The Prophet ﷺ said, "There should be neither harming nor reciprocating harm."  

أَنَّ النَّبِيَّ ﷺ قَالَ «لَا ضَرَرَ وَلَا ضِرَارَ»  

[Machine] That the Prophet ﷺ said, "There should be no harm inflicted or reciprocated."  

أَنَّ النَّبِيَّ ﷺ قَالَ «لَا ضَرَرَ وَلَا ضِرَارَ»  

“There should be neither harming nor reciprocating harm.” (Using translation from Ibn Mājah 2340)   

أَنَّ رَسُولَ اللهِ ﷺ قَالَ لَا ضَرَرَ وَلَا ضِرَارَ  

"لَا ضَرَرَ وَلَا ضِرَارَ".