病は口より入り禍は口より出ず やまいはくちよりいりわざわいはくちよりいず Meanings Expression be moderate with your mouth (literally: sickness enters through the mouth, calamities come out of the mouth) Kanji 病 illness. Read as やまい. 口 mouth. Read as くち. 入 enter. Read as いり. 禍 calamity. Read as わざわい. 出 out Word lists Proverbs Jinuma: Japanese Dictionary · Word lists