‏الصلاة : Hadeeth No:786 Anas reported: I observed prayer along with the Messenger of Allaah (sallAllaahu alayhi wa sallam) and with Abu Bakr, Umar and Uthman (may Allaah be pleased with all of them), but I never heard any one of them reciting Bismillah-ir-Rahman-ir-Rahim loudly....

‏العلم : Hadeeth No:6443 'Abdullah b. 'Umar reported: I went to Allaah's Messenger (sallAllaahu alayhi wa sallam) in the morning and he heard the voice of two persons who had an argumenta- tion with each other about a verse. Allaah's Prophet (sallAllaahu alayhi wa sallam) came to us (and) the (signs) of anger could be seen ...