“Quæritur in primis quare quod quoique libido
Venerit, extemplo mens cogitet ejus id ipsum.
Anne voluntatem nostram simulacra tuentur,
Et simulac volumus, nobis occurrit imago?”—iv. 781, &c.
The things on which the mind has been engaged in waking hours, recur as images during sleep:
“Et quo quisque fere studio defunctus adhæret,
Aut quibus in rebus multum sumus ante moratei
Atque in ea ratione fuit contenta magis mens,
In somnis eadem plerumque videmur obire:
Causidicei causas agere et componere leges,