'God' is the name given to the most 'important' human idea. In English, as in other languages, the original sense of the word is obscure. But the character of the name is the same in all languages: it is a question. 'God' is the question 'Is there something more important than, something besides, man?'

"The Idea of God" from Essays from Epilogue (Manchester: Carcanet, 2001)