Qabisah bin Jabir narrates: I was in a state of ihram. I saw a deer and shot an arrow at it, and it struck the root of its horn; then it ran off swiftly. This troubled my mind, so I came to Sayyiduna Umar (may Allah be pleased with him) to ask him about it. I saw a man beside him who was fair-complexioned with a very gentle face; he was Sayyiduna Abd al-Rahman bin Awf (may Allah be pleased with him). I asked Sayyiduna Umar (may Allah be pleased with him) about it. He turned to Sayyiduna Abd al-Rahman bin Awf (may Allah be pleased with him) and said: Do you think one sheep will suffice for him? He replied: Yes. So Sayyiduna Umar (may Allah be pleased with him) ordered me to slaughter a sheep. The narrator says: When we got up from him, a companion of mine said: The Commander of the Faithful could not give you a proper fatwa until he first asked another man. Sayyiduna Umar (may Allah be pleased with him) heard some of his words and beat him with his whip. Then he came towards me to strike me, and I said: O Commander of the Faithful, I did not say anything; this man said it. So Sayyiduna Umar (may Allah be pleased with him) left me, and then said: You want to kill game in the sacred state and then transgress the fatwa? Then he said: A person may have ten traits, nine of them good and one bad, and that one bad trait spoils them. Then he said: Beware lest all ten (traits) be bad.
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الحج / 5421