Answer:
Believing that God had chosen him as his messenger Muhammad began to preach what God had revealed to him. The simple and clear-cut message of Islam, that there is no God but Allah, and that life should be lived in complete submission to the will of Allah, was attractive to many people, and they flocked to hear it.
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All able Muslims must make a pilgrimage (hajj) to Mecca at least once in their lifetimes.
an outlook or system of thought attaching prime importance to human rather than divine or supernatural matters. Humanist beliefs stress the potential value and goodness of human beings, emphasize common human needs, and seek solely rational ways of solving human problems.
a Renaissance cultural movement which turned away from medieval scholasticism and revived interest in ancient Greek and Roman thought.
noun: Humanism
(among some contemporary writers) a system of thought criticized as being centered on the notion of the rational, autonomous self and ignoring the unintegrated and conditioned nature of the individual.
