Q. Why is the spittle of a man that is fasting more subtle than of one
that is full? A. Because the spittle is without the viscosity of meat,
which is wont to make the spittle of one who is full, gross and thick.
Q. From whence proceeds the spittle of a man? A. From the froth of the
lungs, which according to the physicians, is the seat of the phlegm.
Q. Why are beasts when going together for generation very full of froth
and foam? A. Because then the lights and heart are in greater motion of
lust; therefore there is engendered in them much frothy matter.
Q. Why have not birds spittle? A. Because they have very dry lungs.
Q. Why doth the tongue sometimes lose the use of speaking? A. It is
occasioned by a palsy or apoplexy, which is a sudden effusion of blood,
and by gross humours; and sometimes also by infection of _spiritus
animates_ in the middle cell of the brain which hinders the spirits from
being carried to the tongue.
_Of the Roof of the Mouth._
Q. Why are fruits, before they are ripe, of a bitter and sour relish,
and afterward sweet? A. A sour relish or taste proceeds from coldness
and want of heat in gross and thick humidity; but a sweet taste is
produced by sufficient heat; therefore in the ripe fruit humidity is
subtle through the heat of the sun, and such fruit is commonly sweet;
but before it is ripe, as humidity is gross or subtle for want of heat,
the fruit is bitter or sour.
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