What if, rather than being superficially different but fundamentally the same, Islam and Christianity are actually fundamentally different with just superficial similarities?

so the person, like my younger self, who opines that Christianity and Islam are more or less the same probably hasn’t taken the time to study them in detail. Once you do, the differences become ever more apparent.

I said that Islam has a shallow understanding of man’s problems because it teaches that our problems are basically a matter of behavior. The solution to our problem is merely a question of the will. However, Christianity, I said, has a much deeper, more accurate understanding of the human situation, which includes a frank admission of human sinfuln