The usage of the words public and public sphere betrays a...

The usage of the words public and public sphere betrays a multiplicity of concurrent meanings. Their origins go back to various historical phases and, when applied synchronically to the conditions of a bourgeois society that is industrially advanced and constituted as a social-welfare state, they fuse into a clouded amalgam. Yet the very conditions that make the inherited language seem inappropriate appear to require these words, however confused their employment.

Jürgen Habermas

p. 1 as cited in: Gandy, M (1997) "Ecology, modernity and the intellectual legacy of the Frankfurt School". In: Light, A and Smith, JM, (eds.) Space, Place and Environmental Ethics. p. 240 - The Structural Transformation of the Public Sphere, 1963/1991