今こん是ぜ昨さく非ひ

expression

complete reversal of values or thinking over time; realizing and regretting past errors

A yojijukugo expressing the idea that what one believed in the past now seems wrong, and what one believes now is right, often with a sense of regret or awakening. Used in reflective or philosophical contexts.

• 彼かれは若わかい頃ころの過あやまちを振ふり返かえり、今こん是ぜ昨さく非ひの思おもいに駆かられた。

  Looking back on the mistakes of his youth, he was overcome by a feeling of complete reversal of values.

• 人じん生せい観かんが変かわり、まさに今こん是ぜ昨さく非ひの心しん境きょうだ。

  My outlook on life has changed; it's truly a state of mind where past wrongs now seem right.