‏الزهد والرقائق‏ : Hadeeth No:7121 Abu Huraira reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: The servant speaks words that he does not understand its repercussions but he sinks down in Hell-Fire farther than the distance between the east and the west....

‏الحج : Hadeeth No:2924 Hisham b. 'Urwa narrated on the authority of his father who reported: I said to 'A'isha: I do not see any harm to me if I do not circumambulate betweez al-Safa' and al-Marwa. She said: On what ground do you say so? (I said: ) Since Allaah, the Exalted and Majestic, says:" Verily al-Safa' and al-Marw...