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

Al-Bukhari and Muslim narrated that the Prophet said: "Three traits single out a hypocrite, even if he prays or fasts and claims to be Muslim: If he speaks, he lies. If he makesa promise, he does not keep it. If he is entrusted, he betrays the trust." [Al-Bukhari and Muslim]

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