The great leader of contemporary Muslim world has undertaken very useful discussions in this regard in his famous book "an exposition on Forty Hadith".
According to Imam, the differences in human gradation are actually indicative of the discrepancy of the stages of human resolution.
The resolution which is required for this particular stage is synonymous with laying the foundation of a good life, a resolution to purge life from sin, and to perform all obligatory (wajib) acts, and a resolution to compensate for the days lost (in sinfulness), and finally resolve to behave as a rational and religious person ought to.
That is, he should adopt a behavior that is in accordance with the codes of religious law, which would acknowledge him as a real human being, a rational man. His gait and manner should be an imitation and copy of the Prophet’s life, Imam defined.
He must, in appearance, follow the Prophet (peace be upon him) as a model in his manner and actions, in his abstinences and his choices. This is quite possible, since it is in the powers of ordinary servants of God seemingly to act in the way of that great leader of human beings.
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