It was narrated from Abu Hurairah that the Messenger of Allah (ﷺ) said:“I am only human, and some of you may be more eloquent in presenting your case than others. If I pass a judgement in his favor that detracts from his brother's rights, I am giving him a piece of fire.”
It was narrated from Abu Dharr that he heard the Messenger of Allah (ﷺ) say:“Whoever claims something that does not belong to him; he is not one of us, so let him take his place in Hell.”
It was narrated from Ibn 'Umar that the Messenger of Allah (ﷺ) said:“Whoever takes the wrongdoer's side in a dispute or supports wrongdoing, he will remain subject to the wrath of Allah until he gives it up.”
It was narrated from Ibn 'Abbas that the Messenger of Allah (ﷺ) said:“If the people were given what they claimed, some would have claimed the lives and property of men. But the one the claim is made against is obliged to swear an oath.”
It was narrated that Ash'ath bin Qais Said:“There was a dispute between myself and a Jewish man concerning some land, and he denied me my rights so I brought him to the Prophet (ﷺ). The Messenger of Allah (ﷺ) said to me: 'Do you have proof' I said: 'No.’ He said to the Jews, 'Swear an oath.' I said: 'If he swears an oath he will take my property.' Then Allah, Glorious is He, revealed: 'Verily, those who purchase a small gain at the cost of Allah's covenant and their oaths, they shall have no portion in the Hereafter (Paradise). Neither will Allah neither speak to them nor look at them on the Day of Resurrection nor will He purifies them, and they shall have a painful torment.'”
It was narrated from 'Abdullah bin Mas'ud that the Messenger of Allah (ﷺ) said:“Whoever swears a false oath in order to seize the wealth of a Muslim unlawfully, he will meet Allah when He is angry with him.”
Abu Umamah Al-Harithi narrated that he heard the Messenger of Allah (ﷺ) say:“No man seizes the wealth of a Muslim unlawfully by means of his (false) oath, but Allah will deny Paradise to him and will doom him to Hell.” A man among the people said: “O Messenger of Allah, even if it is something small?” He said: “Even if it is a twig of an Arak tree.”
It was narrated from Jabir bin 'Abdullah that the Messenger of Allah (ﷺ) said:'Whoever swears a false oath near this pulpit of mine, let him take his place in Hell, even if it is for a green twig.”
Muhammad bin Yahya, who is Abu Yunus Al-Qawi, said:I heard Abu Salamah say: I heard Abu Hurairah say: “The Messenger of Allah (ﷺ) said: 'No man or woman swears a false oath beside this pulpit, even if it is for a fresh twig, but he will be doomed to Hell.”
It was narrated from Bara' bin 'Azib that the Messenger of Allah (ﷺ) called one of the Jewish scholars and said:“ Swear by the One Who sent the Torah (Tawrah) down to Musa.”