It would be easy enough to find very probable reasons for the principal effects that the mixing of the chyle with the blood produces in the animal spirits, and then in the brain and the soul itself, such as why wine cheers us, why it gives the mind a certain vivacity when taken in moderation, but brutalizes it after a while if taken in excess, why one is sleepy after eating, and of many other similar things, for which quite ridiculous reasons are ordinarily given.