Germans often use the phrase "des Pudels Kern" to indicate they know a deeper truth or reasoning. Literally: The poodles core. Meaning: The gist of the matter. You know why we talk about the core of a poodle?
That's a terrible analogy/visual representation. In english we refer to this as "the tip of the iceberg" which makes a lot more sense, given how vast icebergs are from below the surface/what's visible.
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