Mohammad was commanded to write.
There are no similarities between
the nature of God in Islam and Calvinism and no one commanded Mohammed to write the Quran. Islam's Allah is not the same God we serve.
Here's some history about Mohammed:
From the early days of Islam to today's globally televised beheadings, Muslims are simply acting-out what Mohammed believed, and what the Quran teaches. And when Quranic Law was given the opportunity to govern, its violent, 7th century intolerance was seen through the eyes of Afghanistan's Taliban - a view of converting and uniting the Arab world under Islamic Law by sword first, and everyone else second.
What truly is at the heart of the Islamist hatred today is no different than that which fueled Mohammed's hatred as he wrote the Quran. It is the belief and goal of a one-world, global Islamic empire run by Quranic Law whereby everyone must, in the end, convert to their fundamentalist ideology or face beheading. The hatred that fuels this theocracy dates back to Ishmael and his son-in-law Esau, and from there, compounded to form the foundations of Islamicism which is the reason why most of the world conflicts today involve Muslims.
Mohammed claimed descent from Ishmael's son Kedar). At the age of 25, Mohammed married a 40 year-old wealthy, widow named Khadijah who owned trading caravans. Traveling as a representative of Khadija's various business interests, Mohammed was exposed to many Jews and Christians and became enthralled by their theology, particularly their concept of a single deity. It was at this time he began to envision a single, united Arab state under a single 'god.'
Secular history records that in 610, by which time Mohammed had become the leader of his tribe, he was in a cave meditating and seeking to discover which of the jinni was indeed most powerful and worthy to become the tribal jinni of his family.
A jinni: one of a class of spirits that according to Muslim demonology inhabit he earth, assumes various forms and exercise supernatural power.
Mohammed was in fact a terrorist, criminal, and murderer whose entire life and teachings were based on victimizing innocents and indulging in mindless violence and massacre. He was a man who destroyed peace wherever he went, and in its place brought terror, carnage, and death. So how can it be a mystery to anyone that his teachings - the Quran - would reap a harvest any different than what the world is experiencing today?
The Prophet Mohammed urges Muslims to fight in the cause of Allah:
"Verily, Allah loves those who fight in His Cause in rows as if they were solid Structures." (Surat As-Saff 61:4)
"O prophet Mohammed urge the believers (Muslims) to fight. If there be of you 20 steadfast, they will overcome 200 and if there be of you a 100, they shall overcome a 1000, because the disbelievers are a folk without intelligence." (Surat Al-Anfal 8:65)
This Surat clearly exposes Islam to be a religion that not only encourages violence but actually makes it a sacred duty for Muslims to kill anyone who does not believe in Islam. Not only is the all forgiving Allah exhorting his followers to kill anyone who is not Muslim, but he is also saying that all non-Muslims are so stupid that they will be unable to defend themselves and therefore deserve death!
The Quran commands Muslims not to befriend Jews or Christians:
"O ye who believe (Muslims) take not the Jews or the Christians for your friends and protectors. They are but friends and protectors to each other. And he among you that turns to them (for friendship) is of them." (Surat Al-Maidah 5:51)
It commands Muslims to fight Jews and Christians:
"Fight against those who believe not in Allah, nor in the Last Day, nor forbid that which has been forbidden by Allah and His Messenger (Mohammed) and those who acknowledge not the religion of truth (Islam) among the people of the Scripture (Jews and Christians) until they pay the Jizyah with willing submission, and feel themselves subdued." (Surah At-Taubah 9:29)
Jizyah is a special high tax to be paid only by Jews or Christians who do not want to renounce their religion and convert to Islam (this Quranic Law is still practiced today in much of the Muslim world).
I could go on and on, but this is enough to show Mohammed was a self appointed prophet fixated on the destruction of Jews and Christians which still exist today as they fight for world domination which will never happen.