Chinese Proverb -- 不干不净，吃了没病

bù gàn bù jìng ，chī le méi bìng　
不 干　不　净　，吃　了 没　 病　

This is an often used proverb. The word 干净means clean. So basically this proverb means even the food you eat won’t make you sick even it is not very clean. Actually in some level, the unclean things left on the food may help your body to defend your health, improve your body’s immune system.