Galen's art of physick ... translated into English, and largely commented on : together with convenient medicines for all particular distempers of the parts, a description of the complexions, their conditions, and what diet and exercise is fittest for them / by Nich. Culpeper, Gent. ...

Chap. 12. Of such Operations as have obtained the Principality.

THe Vertues and Vices of Principal Operations shew the Vertues and Vices of the Principals them∣selves: I call them Principal Operations which come from the Principals alone without a Medium; as sub∣til wit shews a good substance of the Brain, a dull wit shews the Brain to be too thick, a ready Apprehension, a sound Judgment, a stable and firm Memory, shews a good Brain, dulness of Apprehension, apish Judgment, and Forgetfulness shew a bad Brain; fickleness in O∣pinion shews a hot Brain, stability in Opinion, shews a cold Brain.

And yet here are two sorts of Indications which I think I have passed by, though I promised them in the beginning; the one of which concerns Natural Ope∣rations, the other, things without, we shall speak of them hereafter.

Culpeper.

This Chapter, although very short, yet in my Opini∣on very pithy, I shall but ad a little to honest Galen in it, he tells you, That a good Judgment, a nimble Ap∣prehension,

and a retentive Memory, argue a good Brain, they do so, yet in few men shall you find all three of them excellent; then consider, the Apprehension lies in the fore part of the Brain, and that's the reason rub∣bing the Forehead quickens the Apprehension; Judg∣ment lies in the middle, and Memory in the hinder part of the Brain, then do but consider which of these three is weakest, which strongest in you, and you may know which part of your Brain is weakest, and which strongest.