De Somniis (lib. i-ii)

Such a description then as I have here given may be applied to the man who is made frantic by the influence of unmixed wines, that he is a drunken, and foolish, and irremediable evil. We must now, in turn, investigate the character of the glutton, who is akin to the drunkard, and who is a sworn companion of all kinds of voracity and greediness, labouring, without any restraint, at the artificial gratification of his appetite.

And yet it does not require a great deal of care to arrive at his true character; for the dream which was seen is a representation of his likeness very closely resembling him; and when we have accurately examined him, let us look upon him as we would upon a representation in a mirror;