‏الصلاة : Hadeeth No:2012 Anas b. Malik reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: Endurance is to be shown at the first blow....

‏السلام : Hadeeth No:5539 The hadith has been narrated on the authority of Zuhri through the same chain of transmitters but with a slight variation of wording....