It isn’t that Christian civilization is superior, it is Christ that is superior. To the extent that individuals let Him into their lives, society is transformed. Christian “civilization” works because of Him.
Liberals and Muslims denying Christ is like denying gravity. You can curse gravity all you want, you’re staying on the ground. Liberals say they don’t believe in gravity, that they can fly on their own. So they run around flapping their arms yelling “Look at me! Look at me! I’m flying!” They reject Christ for they are their own gods.
Without Christ there is no “civilization,” only forms of the control of man by their rulers. Where His rule is acknowledged there is freedom. Where He is rejected there is only death.
Very well put...