Introspection (n.) by day reflects our disposition less truthfully than the nature of our dreams does.
Introspection (n.) requires only one effort — suppressing the critical faculty — and then innumerable ideas arrive that could never otherwise have been caught.
Introspection (n.) keeps a watchman awake inside sleep — kin to conscience, to delusions of being watched, and especially prominent in philosophical minds.
Introspection (n.) shows only virtual images, like those a telescope casts; the systems are the lenses, never themselves seen.
Introspection (n.) is another illusion: it yields only hard-to-read particulars of our own mental life, never answers to the questions religion finds so easy.
Introspection (n.) became possible only with language: until the residues of words were linked to inner processes, those processes could not be perceived — so primitive men projected them outward as a world.
Introspection (n.) means simply watching what passes through one's mind, without thinking — a skill that some learn easily and others hardly at all.
Introspection (n.) depends on an agency able to treat the rest of the ego as an object, which gives the old idea of the double a new meaning.