Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) said: Whoever omits anything from his rites, then he should offer a sacrifice.

Sayyiduna Jabir bin Abdullah Ansari (may Allah be pleased with them both) narrates the statement of Sayyiduna Ka'b bin Asim Ash'ari (may Allah be pleased with him): The Prophet Muhammad (peace and blessings be upon him) delivered the sermon on the day in the middle of Eid al-Adha, on the ground (the narrator says), meaning the day after the sacrifice.

Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) said: Expiation is given in the case of intentional (killing), and in the case of unintentional (killing), a more severe compensation has been prescribed for him, so that people do not do it again.