Both before and during the Prophet's (Sallahu Alahi Wa Salaam) time most people besides the Jews and Christians, worshipped idols but he never did. Even growing up he strongly disliked idols and he had always believed in one God but it wasn't until when he was meditating in a cave one day that God sent an angel to inform Muhammad (saws) that he has been selected by God to be the last and final Messenger to mankind. Wassalaam
Sunnis; as all other Muslims; believe in God (Allah) as the one and only one God and prophet Muhammad is his prophet and Messenger. They believe in Quran as God revelation to prophet Muhammad (PBUH). They follow Quran and prophet Muhammad teachings. Refer to question below for more details.
the god is allah, the most meriful and beneficial.
feel comfortable and nice to Muhammad because most people only believe in one god.
Judaism does not believe Jesus is the son of god or the messiah. Islam believes in Jesus, just that he is not the son of God but a prophet like Muhammad.
Islam is a monotheistic religion that believe in Allah as the one true god and Muhammad as his prophet.
The believers in one God and that Muhammad is His prophet are named Muslims. It is the first pillar of Islam five pillars. Refer to question below.
All Muslims believe that Allah (God in English) is the one and only one God and that prophet Muhammad (PBUH) is His prophet and messenger. See related question on Islam fundamentals.
If you believe that, along with other basic Islamic beliefs like there is only one God and that Muhammad was His last messenger, then you are a Muslim. Muslims believe that Jesus was a prophet but not the son of God. However, the most important requirement to be a Muslim is the belief in Islamic monotheism - that there is only one God worthy of worship. The second is that Muhammad was the last messenger. Muslims believe God sent down prophets and messengers to spread His message in the world including Adam, Noah, Solomon, Moses, Jesus, many others and finally Muhammad.
Shahada is the witness that no god except one and only one God (with no partner, no son, no associate and no equivalence) and that prophet Muhammad is his messenger and prophet. Denying the Shahada get the Muslim out of Islam. The Shahada is the first and most important pillar of Islam. To become a Muslim you have to say it and believe in it.
Muslim believe in monotheism (one and only one God. Catholics believe in monotheism as well, but believe that there are three Persons in that One God. (Father, Son, and Holy Spirit).Muslims believe in Muhammad as God prophet and messenger. Catholics don't believe in Muhammad prophecy.Muslims believe that Jesus is one of God greatest prophets but is not God or son of God. Catholics believe that Jesus is God, the Son of God.Muslims believe in the Bible, Christians holy book, as God holy book. Catholics don't believe in Quran, Muslims holy book, as God holy book.
same message which Ibrahim(Abraham p.b.u.h ) gave to believe in oneness of God.. to believe in Sole God.. who is the creater of everything that Exist.. to believe in All the prophets .. to believe in Prophet Muhammad p.b.u.h as last and final messenger.. to believe in Qur'an as a word of God.. (to believe you can try some litmus test also) but putting it on modern science classification.. although it is not the book of science but the book of signs.. to believe in hereafter .., judgment day,
A Muslim group who believe in prophet Muhammad (PBUH) as their prophet and in Quran as their holy book and in God as the one and only one God. Refer to question below.