Muriel Spark said this quote
“ Do you know, Sandy dear, all my ambitions are for you and Rose. You have got insight, perhaps not quite spiritual, but you're a deep one, and Rose has got instinct.' 'Perhaps not quite spiritual' said Sandy.'Yes,' said Miss Brodie, 'you're right. Rose has got a future by virtue of her instinct.'...'I ought to know because my prime has brought me instinct and insight, both. ”