‏الصلاة : Hadeeth No:1282 Abu Huraira reported that the Messenger of Allaah (may peace he upon him) said: When it is very hot, say (the noon prayer) when the extreme beat passes away, for intensity of beat is from the exhalation of Hell....

‏العلم : Hadeeth No:6468 Jarir b. 'Abdullah reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: The servant does not introduce good practice which is followed after him.... The rest of the hadith is the same....