There are enarmous numbers of Hadees describing about the blessings of 4 QUL. 4 QuL consits of "Surah Kafroon", "Surah AKhlas', "Surah Falaq" and "Surah Nas". According to one Hadees recition of one surah frome these four is equal to reciting one quarter of Holy Quran so if some one recites these 4 surahs he/she will be granted reward of reciting the whole Quran.