Which preposition to use with subtilty

of Occurrences 17%

They meant, and had good reason to mean, what they said, when they cried to God that those evils which the craft and subtilty of the devil and men were working against them might be brought to nought, and by the providence of His goodness be dispersedto arise and help and deliver them for His name's sake and for His honour; and to turn from them, for the glory of His name, all those evils which they righteously had deserved.

in Occurrences 1%

The middle ages had, in France, their spiritualists, their materialists, their pantheists, their rationalists, their mystics, and their sceptics, not very clear or refined in their notions, but such as lacked neither profundity in their general view of the questions, nor ingenious subtilty in their argumentative process.

Which preposition to use with  subtilty