This must be shocking for Dr Bassim Gorial's Aramaic Broadcasting Network. One of ABN's presenters (Sam Shamoun) offers a criteria in his argumentation against Muslims which winds up rejecting the Trinity. His criteria is if it's not mentioned in the Bible by word then it should be rejected.
The Trinity is not mentioned in the Bible. Sir Anthony Buzzard counts 12000 accounts of 'God' in the Bible yet none of these accounts mention 'Trinity', 'triune' or 'three in one'. Think about that.
As for whether Jesus and the other Prophets were Muslims, of course they were Muslims. A Muslim is somebody who submits to the Will of God. All Prophets submitted to do the Will of God.
In fact the Bible in James 4:7 instructs people to actually submit to God:
Submit yourselves therefore to God. Resist the devil, and he will flee from you.
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