One of the most important texts of modern times, Herbert Marcuse's analysis and image of a one-dimensional man in a one-dimensional society has shaped many young radicals' way of seeing and experiencing life. Published in 1964, it fast became an ideological bible for the emergent New Left. As Douglas Kellner notes in his introduction, Marcuse's greatest work was a 'damning indictment of contemporary Western societies, capitalist and communist.' Yet it also expressed the hopes of a radical phi...

It is not only in our dark hours that scepticism, relativism, hypocrisy, and nihilism dog ethics. Whether it is a matter of giving to charity, or sticking to duty, or insisting on our rights, we can be confused, or be paralysed by the fear that our principles are groundless. Many are afraid that in a Godless world science has unmasked us as creatures fated by our genes to be selfish and tribalistic, or competitive and aggressive.

Simon Blackburn, author of thebest-selling Think, structures th...