What are the phrases that Allah's Messenger (saw) said will never let one be disappointed if repeated or performed after every prescribed prayer?
 Ka'b b. 'Ujra reported Allah's Messenger (may peace be upon him) as saying:                      There are certain ejaculations, the repeaters of which or the performers of which after every prescribed prayer will never be caused disappointment:" Glory be to Allah" thirty-three times." Praise be to Allah" thirty-three times, and" Allah is most Great" thirty-four times.