Why does Chesterton say that humans are animals, and that at the same time humans are unlike other creatures? Is this a paradox? Why or why not?

Chesterton claims that because the Christian church is unique in its claims, the practice of comparative religion is pointless. Do other faith traditions make claims that no other religion makes? Does this disprove Chesterton’s argument? Why or why not?

How does Chesterton make the case that belief in God is not purely theological, but that it is possible to argue for the existence of God on philosophical or cultural grounds?