Lingaku- Illness enters by the mouth, trouble comes out by the mouth (idiom). A loose tongue may cause a lot of trouble.
Generated: This idiom emphasizes the importance of being careful with what we consume and what we say, suggesting that both can lead to serious consequences. It warns against indiscretion, whether in eating habits or in speech.
Eating unclean food could make me sick; it's truly illness entering by the mouth.