China idioms. It means that only by listening to opinions from many parties can we distinguish right from wrong; It's stupid to just listen to something.
Zheng Banqiao topic; & gt's couplets
Modest bamboo has curved leaves, and proud plums are not spent on its back.
Don't brag about yourself, Niu Yi. Pride and complacency will turn over. Looking at many things in ancient and modern times, from humble to luxurious. -Chen Yi
The height of Mount Tai does not choose trickle; Rivers and seas are deep, but we don't choose small streams —— Li Si's book of exhortation and expelling guests