a good medicine tastes bitter

a good medicine tastes bitter

Bitter medicine, Chinese idiom, Pinyin is k ǔ K ǒ Uli á ngy à o, which means sincere advice and sharp criticism. It sounds uncomfortable, but it is good for correcting shortcomings and mistakes. It comes from six books of Confucius' family language.

The source of the idiom "the good medicine is bitter in the mouth but beneficial to the disease, and the loyal advice is adverse to the ear but beneficial to the action."