formula: "Nous revons de ce que nous avons vu, dit, desire, ou fait." * Jessen, in his Psychologie, published in 1855 (p. 530), is rather more explicit: "The content of dreams is always more or less determined by the personality, the age, sex, station in life, education and habits, and by the events and experiences of the whole past life of the individual."

* We dream of what we have seen, said, desired, or done.

The philosopher, I. G. E. Maas, adopts the most unequivocal attitude in respect of this question (Uber die Leidenschaften, 1805): "Experience corroborates our assertion that we dream most frequently of those things toward which our warmest passions are directed. This shows us that our passions must influence the generation of our dreams. The ambitious man dreams of the laurels which he has won (perhaps only in imagination), or has still to win, while the lover occupies himself, in his dreams, with the object of his dearest hopes.... All the sensual desires and loathings which slumber in the heart, if they are stimulated by any cause, may combine with other ideas and give rise to a dream; or these ideas may mingle in an already existing dream." *

* Communicated by Winterstein to the Zentralblatt fur Psychoanalyse.

The ancients entertained the same idea concerning the dependence of the dream-content on life. I will quote Radestock (p. 139): "When Xerxes, before his expedition against Greece, was dissuaded from his resolution by good counsel, but was again and again incited by dreams to undertake it, one of the old, rational dream-interpreters of the Persians, Artabanus, told him, and very appropriately, that dream- images for the most part contain that of which one has been thinking in the waking state."

In the didactic poem of Lucretius, On the Nature of Things (IV. 962), there occurs this passage:

"Et quo quisque fere studio devinctus adhaeret, aut quibus in rebus multum sumus ante morati atque in ea ratione fuit contenta magis mens, in somnis eadem plerumque videmur obire; causidici causas agere et componere leges, induperatores pugnare ac proelia obire,"... etc., etc. * Cicero (De Divinatione, II. LXVII) says, in a similar strain, as does also Maury many centuries later: "Maximeque 'reliquiae' rerum earum moventur in animis et agitantur, de quibus vigilantes aut cogitavimus aut egimus." *(2)

* And whatever be the pursuit to which one clings with devotion, whatever the things on which we have been occupied much in the past, the mind being thus more intent upon that pursuit, it is generally the same things that we seem to encounter in dreams; pleaders to plead their cause and collate laws, generals to contend and engage battle.

*(2) And especially the "remnant" of our waking thoughts and deeds move and stir within the soul.

The contradiction between these two views concerning the relation between dream life and waking life seems indeed irresolvable. Here we may usefully cite the opinion of F. W. Hildebrandt (1875), who held that on the whole the peculiarities of the dream can only be described as "a series of contrasts which apparently amount to contradictions" (p. 8). "The first of these contrasts is formed by the strict isolation or seclusion of the dream from true and actual life on the one hand, and on the other hand by the continuous encroachment of the one upon the other, and the constant dependence of the one upon the other. The dream is something absolutely divorced from the reality experienced during the waking state; one may call it an existence hermetically sealed up and insulated from real life by an unbridgeable chasm. It frees us from reality, blots out the normal recollection of reality, and sets us in another world and a totally different life, which fundamentally has nothing in common with real life...." Hildebrandt then asserts that in falling asleep our whole being, with its forms of existence, disappears "as through an invisible trapdoor." In one's dream one is perhaps making a voyage to St. Helena in order to offer the imprisoned Napoleon an exquisite vintage of Moselle. One is most affably received by the ex-emperor, and one feels almost sorry when, on waking, the interesting illusion is destroyed. But let us now compare the situation existing in the dream with the actual reality. The dreamer has never been a wine-merchant, and has no desire to become one. He has never made a sea-voyage, and St. Helena is the last place in the world that he