"Recite the portions of the Book which have been revealed to thee and discharge the duty of prayer; verily prayer restraineth from the filthy and the blameworthy. And assuredly the gravest duty is the remembrance of God; and God knoweth what ye do."—Sura XXIX, 44.
"And when the Koran is rehearsed, then listen ye to it and keep silence: haply ye may obtain mercy."
"And think within thine ownself on God, with lowliness and with fear and without loud-spoken words, at even and at morn; and be not of the heedless."—Sura VII, 203, 204.
Pretentious prayers and ostentatious almsgiving condemned.
The Koran condemns pretentious prayers and ostentatious almsgiving.
"Verily the hypocrites would deceive God; but he will deceive them! When they stand up for prayer, they stand carelessly to be seen of men, and they remember God but little"—Sura IV, 141.
"Woe then to those who pray,"
"Who in their prayer are careless;"
"Who make a show of devotion,"
"But refuse help to the needy."—Sura CVII, 4-7.