Actual human discourse happens within a number of contexts, not in some sort of unified public forum.
I am pleased that Prince Charles and Mrs Camilla Parker Bowles have decided to take this important step.
In spite of the haze of speculation, it is still something of a shock to find myself here, coming to terms with an enormous trust placed in my hands and with the inevitable sense of inadequacy that goes with that.
What can we say about a marketing culture that so openly feeds and colludes with obsession? The Disney empire has developed this to an unprecedented degree of professionalism.
Whether something is old-fashioned or not doesn't resolve the question of whether it's true or not. I can see the temptation of simply thinking, 'Well, there's a cultural mainstream which flows neatly in one direction. You just align with it'. And that really won't do.
And when the world is created, it is created in such a way that those eternal objects of God's loving wisdom become actualities - interacting with one another, relating to God in the finite realm.
As the gospels present it to us, the mission of Jesus of Nazareth is about the way in which the community of God's people - historically, the Jewish people who had first received the law and the covenant - is being re-created in relation to Jesus himself.
Christian teaching about sex is not a set of isolated prohibitions; it is an integral part of what the Bible has to say about living in such a way that our lives communicate the character of God.
Christians should emphatically be campaigning for justice for the poor - but the Church is not a campaign.
Economists are coming to acknowledge that measures of national wealth and poverty in terms strictly of average income tell you little that is significant of the health or viability of a society.
In a spiritually sensitive culture, then, it might well be that age is something to be admired or envied.
In sharp contrast to the idea that this stage of life is enviable, we hear high levels of anxiety about getting old, anxieties about health, mobility, access to facilities, simple routine care and attention.
In the context of interfaith encounter, we need to bring to the surface how our actual beliefs shape what we do - not simply to agree that kindness is better than cruelty.
Keeping our eyes on journey's end is what we need - the place where we see at last the world that is greater than the world, the new creation that cannot be contained in present thought or social order or piety.
One of the most powerful defences the media can offer for controversial actions is, of course, public interest.
St Paul, in his second letter to Corinth, spells this out further in the important eighth and ninth chapters, where he urges some of the Christian communities to be generous to others so that they may also have the chance to be generous in return.