ProverbHuman NatureJapanese origin

親しき仲にも礼儀あり (Shitashiki naka ni mo reigi ari)

Meaning: Even with close friends and family, you must keep good manners.

Literally: Even in close relationships, there is etiquette

Example: “家族でも借りたものは返そう。親しき仲にも礼儀ありだよ。” — Even with family, return what you borrow: familiarity breeds contempt.

Equivalents in English, French, Spanish, Italian, and Dutch

  • English: Familiarity breeds contempt
  • French: La familiarité engendre le mépris (literally: Familiarity breeds contempt)
  • Spanish: La confianza da asco (literally: Familiarity breeds disgust)
  • Italian: Confidenza toglie riverenza (literally: Familiarity removes reverence)
  • Dutch: Al te grote gemeenzaamheid baart verachting (literally: Too much familiarity breeds contempt)

Origin: A rule of Japanese social life: closeness is no excuse for rudeness.

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