えんじゃくいずくんぞこうこくのこころざしをしらんや

燕 雀 安 んぞ 鴻 鵠 の 志 を 知 らんや

  1. expressions (phrases, clauses, etc.)

    only a hero can understand a hero, swallows and sparrows can't understand the aspirations of phoenixes and swans
    proverb