Unlawfulness of Oppression and Restoring Others Rights Riyad as-Salihin 220
Arabic hadith text
وعن ابن عمر رضي الله عنهما قال: قال رسول الله صلى الله عليه وسلم: “ لا يزال المؤمن في فسحة من دينه ما لم يصب دمًا حرًا" ((رواه البخاري)).
Translation
Ibn 'Umar (May Allah bepleased with them) reported
Messenger of Allah (ﷺ) said, "A believer continues to guard his Faith (and thus hopes for Allah's Mercy) so long as he does not shed blood unjustly".[Al-Bukhari].