The true sense of the word religion: a plighted faith, a bond which must not be broken. Step back from the centuries-old liberal consensus and stop confining faith to the private sphere. Read Marx’s On the Jewish Question, and it is clear that the modern liberal state cannot coexist on equal terms (and so cannot coexist at all!) with religion – Marx, far from denying this claim by Bruno Bauer, uses the view that spiritual faith is a projection of oeconomic life to argue that only changing the oeconomic structure will abolish what religion really is.
True religion? St James tells us. This is more than just a tame accommodation within the constraints of the status quo of Caesar’s religion (for each system has its own god, and this is indeed why liberal state and the Christian bond do not consistently and peaceably exist, each in its integrity, without the one making war upon the other). No compromise will last: Christ is God, or Caesar is God.