The Book of Prayers (Kitab Al-Salat) 
Muslim :: Book 4 : Hadith 1652
Jabir reported Allah's Messenger (may peace be upon him) as saying: The most excellent prayer is that in which the duration of standing is longer.
The Book of Prayers (Kitab Al-Salat)
Muslim :: Book 4 : Hadith 1652
Jabir reported Allah's Messenger (may peace be upon him) as saying: The most excellent prayer is that in which the duration of standing is longer.