To learn and act according to the Shari'ah without certainty...
To learn and act according to the Shari'ah without certainty or at least profound and sincere belief, without moral excellence and without a well trained intellect is almost impossible . If one has scant knowledge of the realities, or has knowledge of the realities but little virtue, one will never see the point of adhering to the intricacies of living according to the Shari'ah.
Therefore, although the teaching of jurisprudence is the centre of all the religious institutions, the two more urgent studies also have their place.
If the students of jurisprudence did not themselves develop their knowledge of the realities and of self-perfection, there simply would not be any students of jurisprudence; the laws of the Shari'ah would be forgotten and many of the words and commands of God, the Prophet and Imams would no longer be acted upon because they would no longer be understood…