Sentence:  For example, one sceptical figure praised the Church of England, in Hume's phrase, "as a Church tending to keep down fanaticism," and recommendable for its very <WSD>indifferency</WSD>; whereupon a transcendental figure urges him: "You are afraid of the horse's kicking: but will you sacrifice all qualities to being safe from that? 
Meaning of the word marked with <WSD> tags:  A lack of strong feeling; indifference.