(i finally realized).... why Muslims are the hardest people in the
world to convert to Christianity.

Why?

Because there is nothing to offer them!! (In Islam) There is a
relationship with Allah, forgiveness of sins, salvation and promise
of Eternal Life. Naturally, my first question centered on the deity
of Allah. Who is this Allah that the Muslims worship? We had been
taught as Christians that this is another god, a false god.

When in fact He is the Omniscient-All Knowing, Omnipotent-All
Powerful, and Omnipresent-All Present God. The One and Only without
co-partners or co-equal.

It is interesting to note that there were bishops during the first
three hundred years of the Church that were teaching as the Muslim
believes that Jesus (pbuh) was a prophet and teacher!! It was only
after the conversion of Emperor Constantine that he was the one to call
and introduce the doctrine of the Trinity.

"Oh you who believe, if a wicked person (fasiq) comes to you with any
news, verify it lest you harm people unwittingly and afterwards regret
what you have done" [EMQ 49:6] O ye who believe! Whoso of you becomes
a renegade from his religion, (know that in his stead) Allah will bring
a people whom He loves and who love Him, humble toward believers, stern
toward disbelievers, striving in the way of Allah and fearing not the
blame of any blamer. Such is the grace of Allah, which He gives unto
whom He will. Allah is All Embracing, All Knowing. [Al_Quraan_005.054]
] And if you turn away, Allah will exchange you for some another
people, and they will not be like you. [Al_Quraan_047.038]

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