Christians are called upon to be alert. With God or neighbour our relation is with a Person; the Church, for all her outward organization, is a vessel in which we find a Person, too. The vessel of the State contains, actually, a bottomless nothing.
Our contemporaries are bewildered by these. They think that Christ has called us to advance His Kingdom by political means; or that good resides in the empty vessel. This is spilt religion; the wine poured, as it were, into the wrong jar, and lost, immortally. That which is owed to Christ — a life — is instead paid into the emptiness.