King James Version (KJV)
The merciful man doeth good to his own soul: but he that is cruel troubleth his own flesh.
Modern English
A man who is kind benefits himself, but a cruel man hurts himself.
Hebrew
גֹּמֵ֣ל נַ֭פְשׁוֹ אִ֣ישׁ חָ֑סֶד וְעֹכֵ֥ר שְׁ֝אֵר֗וֹ אַכְזָרִֽי׃
gomel napshvo ʾiysh ḥased vʿoker shʾervo ʾakzariy