過ちては則ち改むるに憚ること勿れ

あやまちてはすなわちあらたむるにはばかることなかれ

[ayamachitehasunawachiaratamurunihabakarukotonakare]

Meanings

1.Expression

when you make a mistake, don't hesitate to correct it; do not delay in making amends for your wrongs