Fantasy is way more important than knowledge because knowledge is limited.
fantasyquotes
The most frequent manifestations of the anima takes the form of erotic fantasy. Men may be driven to nurse their fantasies by looking at films and strip-tease shows, or by day-dreaming over pornographic material. This is a crude, primitive aspect of the anima, which becomes compulsive only when a man does not sufficiently cultivate his feeling relationships – when his feeling attitude toward life has remained infantile.
Though instincts or drives can be formulated in physiological and biological terms they cannot be pinned down in that way, for they are also psychic entities which manifest themselves in a world of fantasy peculiarly their own.
biological / fantasy / instincts / physiological / psychic
The creative writer does the same as the child at play; he creates a world of fantasy which he takes very seriously.
An inability to meet the real demands of love is one of the essential characteristics of neurosis; the patients are dominated by the opposition of reality and fantasy. They will flee from what they long for most intensely in their fantasies if they encounter it in real life, and they are most likely to abandon themselves to fantasies when they no longer need to fear their realization.
At least one of the meanings of a symptom corresponds to the presentation of a sexual fantasy, while there is no such limit to the content of its other meanings.