A daydream is a meal at which images are eaten. Some of us are gourmets, some gourmands, and a good many take their images precooked out of a can and swallow them down whole, absent-mindedly and with little relish.
Source: The Dyer's Hand, pt. 3, Hic et Ille, sct. C, 1962.
-- W H Auden, (Feb 21 1907-1973), English-US poet, dramatist, editor; He wrote passionately about social problems and post-WW I anxiety; won Pulitzer for verse Age of Anxiety, 1948.