by concentrating on the heart, truth could be
discovered. But, finally, it was proved that the
heart was only a means of circulating blood. It
was not a treasure house of truths and realities.
Similarly, on seeing the progress of modern
civilization, it was hoped that the journey of
civilization would finally lead man to a perfect
world, but the problem of global warming has
shown that the present world has almost
reached its end. It has not been possible, here
in this world, to bring the much sought-after
ideal civilization to its peak.
Such signs, both in nature and in history appear
continually. It seems that the period—the time
span set for the present world by its Creator,
has now expired and the time has come for
this temporary world to be terminated, so that
it may be replaced by the eternal world of the
hereafter. These words of the Quran are
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