He changed the lives of many people
Because the Holy Quran is Allah's word who is the Creator of everything including people, so He is the One Who does know everything good & suitable for us & consequently we must use the Holy Quan in addition to the Sunnah of the prophet Muhammad PBUH as the two main sources of guidance in our life. please, see the related question below.
He was guided by Almighty Allah (God) through revelations.
The key sources of religious wisdom and guidance for Muslims are the Quran and the Hadith. The Quran is considered the holy book of Islam, believed to be the word of God as revealed to Prophet Muhammad. The Hadith refers to the sayings, actions, and approvals of Prophet Muhammad, which provide additional guidance and interpretation of the teachings of Islam.
The holy Prophet Hazrat Muhammad was the last of the holy Prophets sent by Almighty Allah (God). His source of information is the holy Qur'an that was revealed to him by Almighty Allah.
Islam provides guidance to its followers through the Quran, which is believed to be the word of God revealed to the Prophet Muhammad. The Quran serves as a comprehensive guide that covers various aspects of life, including moral and ethical teachings, guidance on worship rituals, and instructions on how to lead a righteous life. Additionally, Muslims also seek guidance from the Hadith, which are traditions and sayings of the Prophet Muhammad. These sources of guidance help Muslims navigate their daily lives and make decisions in accordance with Islamic principles.
Muhammad PBUh is a prophet, He received revelations from the Almighty Allah which became the first source of laws in Islam. Also, He PBUH was inspired in all His sayings & actions which are called Al-Sunnah & it's the second source of Islamic laws.So, the background that the prophet Muhammad PBUH had relied on was those revelations plus Allah's inspiration & guidance to Him.The background for the Muslims to rely on in each of the life details are:1. The Holy Quran.2. The Sunnah.For more clarification, please refer to the related question below & its related questions.
No, the Qur'an is considered the primary and most authoritative source of Islamic guidance. The Hadith, which are the sayings and actions of the Prophet Muhammad, are considered a secondary source that provides further explanation and interpretation of the Qur'an.
The Qur'an is the last heavenly book revealed to the last Prophet of Islam Hazrat Muhammad (SAW). The Muslims recite it to seek guidance from the Qur'an. They learn what Almighty Allah has ordained to follow and what to refrain from. It is the greatest source of guidance and inspiration for the Muslims.
Muhammad
The Quran is the holy book of Islam, believed by Muslims to be the literal word of God as revealed to the Prophet Muhammad. It is written in Arabic and is considered the ultimate source of guidance for Muslims in matters of faith and practice.
The Qura'an is the main source of Islamic teachings which is the words of Allah.
Edna Elizabeth Watson has written: 'A source book for vocational guidance' -- subject(s): Bibliography, Vocational guidance