Amr bin Dinar (may Allah have mercy on him) said: I heard Ubayd bin Umayr al-Laythi (may Allah have mercy on him) saying: A powerful man beats a man with a stick until he kills him, and then says: "I did not do it deliberately." Tell me, what could be more deliberate than that?
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الجنايات / 15995