‏الإيمان : Hadeeth No:128 It is narrated on the authority of Abu Huraira that the Messenger of Allaah (may peace and blessings be upon him) observed: Two (things) are found among men which are tantamount to unbelief: slandering one's lineage and lamentation on the dead....

‏السلام : Hadeeth No:5530 This hadith has been narrated on the authority of Sahl b. Sa'd with a difterent chain of transmitters....