A--- Abu Bakr (May Allah be pleased with him) narrated the Prophet (Peace be upon him) as saying: "'Who did see a vision from amongst you?' A man said: 'I have seen as if a balance descended from the sky.

You (the Prophet) weighed with Abu Bakr and you overweighed Abu Bakr, and Abu Bakr and `Umar got weighed, and Abu Bakr overweighed 'Umar, and' Umar and' Uthman got weighed, and 'Umar overweighed `Uthman, then the balance was raised up (to the sky again). '" (Abu Dawud and AlHakim) Allah's Messenger (Peace be upon him) says: "Tonight, a pious man was made to see a vision that Abu Bakr was entrusted by Allah's Messenger (Peace be upon him), 'Umar was entrusted by Abu Bakr, and 'Uthman was entrusted by 'Umar." (Abu Dawud, Al-Hakim and Ahmed)