If you are a muslim, please don't shut yourself off from researching this topic because of the title, many of us grow up in a specific country telling us through growing up that our religion is the only true religion, with a holy book or books claiming it is the word of God, and we go to sources that are biased & agree with our belief system to get our information, answers & proof, but we all know that they are biased information, please don't harden your heart to cause yourself not to investigate this most important subject just encase you were lied to (not intentionally) but it doesn't change the possibility. Look into it for yourself.