Original sentence: Muhammad ibn ʿAbd al-Wahhab (; ; 1703 – 22 June 1792) was a Sunni Islam preacher and scholar from Saudi Arabia in central Arabia who claimed to "purify" Islam by returning it to what, he believed, were the original principles of that religion as the salaf, that is first three generations of Muslims, understood it.Muhammad ibn ʿAbd al-Wahhab considered his movement an effort to purify Islam by returning Muslims to what, he believed, were the original principles of that religion, as typified by the Salaf and rejecting, what he regarded, as religious innovations (Bid‘ah) and polytheism (Shirk)
Edited sentence: Muhammad ibn ʿAbd al-Wahhab (; ; 1703 – 22 June 1792) was a Sunni Islam preacher and scholar from Saudi Arabia in central Arabia who 'purified' Islam by returning it to the original principles of that religion as the salaf understood it.Muhammad ibn ʿAbd al-Wahhab considered his preaching to be an effort to purify Islam by returning Muslims to the original principles of that religion, as typified by the Salaf and rejecting, what he regarded, as religious innovations (Bid‘ah) and polytheism (Shirk)