As to what respects the cure of this Disease, Stupidity, whether innate or acquir'd (if it not be a plain senselessness, and doltishness incapable of all Erudition) though it be not usuall be cured, yet it is want to be amended.
Sometimes a great wound or concussion of the head, especially which happens by falling headlong from an high place, brings a prejudice and weakness to the animal faculty, dulling the understanding.
Those who are born of parents broken with old age, or of such as are not yet ripe or are too young, or of drunkards, soft or effeminate men, want a great and liberal ingenuity or wit.
