+ full see post http://goo.gl/MXBom

Narrated 'Aisha: Whenever Allah's Apostle
ordered the Muslims to do something, he
used to order them deeds which were easy
for them to do, (according to their strength
endurance). They said, "O Allah's Apostle! We
are not like you. Allah has forgiven your past
and future sins." So Allah's Apostle became
angry and it was apparent on his face. He
said, "I am the most Allah fearing, and know
Allah better than all of you do."

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+ http://goo.gl/YtkQV
+ http://goo.gl/MXBom