bù​pà​bù​shí​huò, zhǐ​pà​huò​bǐ​huò

comparison

不怕不识货,只怕货比货 (不怕不識貨,只怕貨比貨) bù​pà​bù​shí​huò, zhǐ​pà​huò​bǐ​huò
comparison
Proverb stating that one need not be an expert to judge quality, as the true value of goods or people becomes evident when compared against others.

Sources

Definitions
CC-CEDICT