真金不怕火

Pinyin: zhēn jīn bù pà huǒ Explanation: 比喻正确的事物经得住考验。 Source: 高晓声《大好人江坤大》姓刘的说要调查，你就陪他去，真金不怕火，查好了！” Thesaurus:  true gold fears no fire, a person of integrity can stand tests, true gold fears no fire, , a person of integrity can stand severe tests