Quotes about Circularity

It's a vicious circle, people are going deaf because music is played louder and louder. But because they're going deaf it has to be played louder still.

A Christian theist, while conceding that the argument for God's existence is circular, nevertheless will claim that the argument is sound and persuasive. For he devoutly believes that his position is true, and he believes that it can be clearly recognized as such. He believes that God made men to think in terms of this circularity, rather than in terms of some competing circularity.

There is a circularity here I do not doubt. I am defending the Bible by the Bible. Circularity of a kind is unavoidable when one seeks to defend an ultimate standard of truth, for one's defense must itself be accountable to that standard.