Philosophicall fancies. Written by the Right Honourable, the Lady Newcastle.
Newcastle, Margaret Cavendish, Duchess of, 1624?-1674.
Page  68

Of the Braine.

THe Braine in Animals is like Clouds, which are sometimes swell'd full with Vapour, and sometimes rarified with Heat, and mov'd by the Sensitive Spirits to severall Objects, as the Cloudes are mov'd by the Wind to severall places.

The Winds seem to be all Spirits, be∣cause they are so agile, and quick.