3 Metaphors for subtler

Vainly did the Spirit of Light within her counsel her to persevere, looking only at the end she would achieve; subtler and more penetrative to her untuned ear were the words of the fiend at her side.

It would be difficult not to suppose it intended to work out some half sceptical purpose, if we did not call to mind the grave authority given to fables in the poet's treatise on Monarchy, and the whole strange spirit, at once logical and gratuitous, of the learning of his age, when the acuter the mind, the subtler became the reconcilement with absurdity.]

Butand the more you study the Polynesian, the subtler are his strange laws and taboosthe main provision in the Arioi constitution was undoubtedly conceived in the desire to prevent over-population.

3 Metaphors for  subtler