"Islam has heavily borrowed from Judaism and Christianity" - It is the islamic belief that the first man on this planet ADAM(pbuh) was a muslim and all the prophets who came after Adam were also muslims and folowed the same religion as Islam(i,e., belief in One GOD), the prophets Musa(phuh-from where Judaism) and Jesus(pbuh) are also taught the taechings of islam, please refer to the BIBLE, Jesus never said iam GOD and worship me, it was after Paul people made up the GOD and Father, Gabriel as Spirit and Jesus as Son and they came up with all this Trinity Idea. similarly with the followers of MUSA(pbuh) they made the religion specific to the sons of Judah.
"If he was telling a lie, the prophet Mohammed can be a liar too"- relpy: Muslims never said that Jesus(pbuh) lied, they said that the present day bible is the word of Paul not the complete word of Jesus(pbuh).
"Now internal flaws of the Quran include referring to Jesus as a prophet and not a Son of God"- reply: Quran is very clear in saying that God is ONE and only, he neither Beget(giving birth) not begotten. These giving birth is of human and animal nature, it's not GOD's Nature, by saying beget and Begotten christains bought the GOD to human nature.
"It must be understood that Mohammed was involved in warfare and that's how he captured Mecca - and not at the first attempt. So imagine, if the leader was violent, what else would its followers be?" -reply: The most peaceful conquer ever in the history of mankind i
