It is true that some liberals and humanists, along with the laid-back Danes, deny the existence of evil. This is largely because they regard the word 'evil' as a device for demonising those who are really nothing more than socially unfortunate.

It is easy to see why a diversity of cultures should confront power with a problem. If culture is about plurality, power is about unity. How can it sell itself simultaneously to a whole range of life forms without being fatally diluted?

Virtue is something you have to get good at, like playing the trombone or tolerating bores at parties. Being a virtuous human being takes practice; and those who are brilliant at being human (what Christians call the saints) are the virtuosi of the moral sphere - the Pavarottis and Maradonas of virtue.

Dawkins considers that all faith is blind faith, and that Christian and Muslim children are brought up to believe unquestioningly. Not even the dim-witted clerics who knocked me about at grammar school thought that.

Successful revolutions are those which end up by erasing all traces of themselves.

All propaganda or popularization involves a putting of the complex into the simple, but such a move is instantly deconstructive. For if the complex can be put into the simple, then it cannot be as complex as it seemed in the first place; and if the simple can be an adequate medium of such complexity, then it cannot after all be as simple as all that.

In the end, the humanities can only be defended by stressing how indispensable they are; and this means insisting on their vital role in the whole business of academic learning, rather than protesting that, like some poor relation, they don't cost much to be housed.