Silsilat al-Ahadith al-Sahihah

Sayyiduna Abu Dharr (may Allah be pleased with him) narrates that the Messenger of Allah (peace and blessings be upon him) was asked, "Which speech (remembrance) is the best?" He (peace and blessings be upon him) replied: "That which Allah, the Exalted, has chosen for His servants... ." «سبحان الله وبحمده» ."