The proverbial German phenomenon of the verb-at-the-end about which droll tales of absentminded professors who would begin a sentence, ramble on for an entire lecture, and then finish up by rattling off a string of verbs by which their audience, for whom the stack had long since lost its coherence, would be totally nonplussed, are told, is an excellent example of linguistic recursion.
Douglas HofstadterThe Strange Loop phenomenon occurs whenever, by moving upwards (or downwards) through levels of some hierarchial system, we unexpectedly find ourselves right back where we started.
Douglas HofstadterWe don't want to focus on the trees (or their leaves) at the expense of the forest.
Douglas HofstadterThe paraphrase of Gรถdel's Theorem says that for any record player, there are records which it cannot play because they will cause its indirect self-destruction.
Douglas Hofstadter