(V.5:32) Narrated Anas bin Mâlik رضي الله عنه: The Prophet صلى الله عليه وسلم said, "The biggest of Al-Kabâ’ir (the great sins) are: (1) To join others as partners in worship with Allâh, (2) to murder a human being, (3) to be undutiful to one’s parents (4) and to make a false statement," or said, "to give a false witness." (Sahih Al-Bukhâri, Vol.9, Hadîth No.10).
(V.5:35) See the footnote of (V.2:186).
(V.5:36) See the footnote of (V.3:91).