The limitation in time of
the miracles performed by the earlier Prophets was an indication of the impermanence
of their religions and the laws that they brought. By contrast, the miracle attesting
to the prophethood for the Prophet of Islam cannot be temporally limited, because
his message is universal and represents the culmination of all preceding religions;
his prophethood requires an eternal miracle, a brilliant and eloquent proof of
its immortality embedded with the ongoing scientific discoveries.
A permanent
message must display to mankind a permanent and everlasting miracle, one which
advances with time, so that just as it offered convincing proof to people of the
past, it may do the same to people of the future. A short-lived miracle that is
imperceptible to later generations cannot be a source of reference or judgment
for the future.
For this reason, the Quran is presented as a permanent
and everlasting miracle, the final manifestation of God's revelation.
The
Quran itself says:

"The
true and well-formulated message of your Lord has now been completed, and none
is able to change it. And He is All-Hearing and All-Knowing". (6:116)
For
Muslims, the miraculousness of the Quran is not only a matter of religious belief,
but for scholars and researchers it is a matter of scientific belief. The Quran
possesses a remarkable comprehensiveness and richness, with respect to its world
view and scientific content, and its ability to guide not only the individual
and society in spiritual aspect, but also in the realms of natural environment
and mysteries of life. There are still many matters contained in the Quran that
call for investigation and await discovery by further research.