There is only one proper response to the Islamic challenge… which is to expand the Church into currently-Islamic territory.
Satan is not to be afforded any hiding place: not in the desert, and not in the colleges.
And why stand we in jeopardy every hour?
I protest by your rejoicing which I have in Christ Jesus our Lord, I die daily.
If after the manner of men I have fought with beasts at Ephesus, what advantageth it me, if the dead rise not? let us eat and drink; for to morrow we die. — I Corinthians 15:30-32
Come the Final Judgement, the dead shall rise to receive the wages they are due.
At that time, when it really matters, things will go badly for the murderers, who hate the followers of Christ, and thus show their hatred for His Father.
But those who died for Christ and His glory will be remembered by God.
And when he had called the people unto him with his disciples also, he said unto them, Whosoever will come after me, let him deny himself, and take up his cross, and follow me. — Mark 8:34