バカの壁かべ

expression, noun

stupidity barrier; obstacle to mutual understanding caused by ignorance or closed-mindedness

Refers to the idea that a person's own ignorance or fixed mindset acts as a wall preventing them from understanding others or accepting new ideas. Popularized by the book 'Baka no Kabe' by Takeshi Yoro.

• 彼かれと話はなしていると、バカの壁かべを感かんじることがある。

  When talking with him, I sometimes feel the stupidity barrier.

• バカの壁かべを乗のり越こえるには、まず自じ分ぶんの無む知ちを認みとめることが大たい切せつだ。

  To overcome the stupidity barrier, it's important to first acknowledge your own ignorance.