Complex sentence: He was originally a non-Christian, but he saw the immense faith of the others, and when the terrorists asked him if he rejected Jesus, he reportedly said, "Their God is my God", knowing that he would be killed.
Split into simpler sentences: He was originally a non-Christian, but he saw the immense faith of the others. When the terrorists asked him if he rejected Jesus, he reportedly said "Their God is my God", knowing that he would be killed.