Full Idea
Philosophy studies everything: it tries to provide a theory of the whole of things.
Gist of Idea
Philosophy aims to provide a theory of everything
Source
Roger Scruton (Modern Philosophy:introduction and survey [1994], 1.2)
Book Reference
Scruton,Roger: 'Modern Philosophy: introduction and survey' [Sinclair-Stevenson 1994], p.7
A Reaction
Good, but you can't avoid value-judgements about which things are important; philosophers place more value on moral theories than on theories about glacier movement. There is a tension in philosophy between human and eternal concerns.