It is narrated from Sayyiduna Wathilah bin Asqa’ (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him) said: The greatest lie is that a man attributes himself to someone other than his (real) father, or claims to have seen with his eyes what he did not see (i.e., narrates false dreams), or attributes to the Messenger of Allah (peace and blessings be upon him) something which he (peace and blessings be upon him) did not say.