We must therefore either extend the word Reason to include what our ancestors called Practical Reason and confess that judgements such as society ought to be preserved (though they can support themselves by no reason of the sort that Gaius and Titius demand) are not mere sentiments but are rationality itself; or else we must give up at once, and for ever, the attempt to find a core of ‘rational’ value behind all the sentiments we have debunked.
