病やまいは口くちより入いり禍わざわいは口くちより出いず

expression, nidan verb (lower class) with 'dzu' ending (archaic)

sickness enters through the mouth, calamities come out of the mouth

Proverb warning that both what you eat and what you say can bring harm. Often used to advise moderation in diet and speech.

• 「病やまいは口くちより入いり禍わざわいは口くちより出いず」ということわざがあるように、食たべすぎや失しつ言げんには気きをつけたい。

  As the proverb goes, 'sickness enters through the mouth, calamities come out of the mouth,' so we should be careful about overeating and careless remarks.