The one who is close to cinnabar becomes red, and the one who relies on ink becomes black. It is a metaphor that getting close to good people can make people become good, and getting close to bad people can make people bad.
Source
Jin Dynasty Fu Xuan's "Prince Shaofu Admonition": "Therefore, the one who is close to vermilion is red, and the one who is close to ink is black; the sound is harmonious, the sound is clear, and the shape is straight."
Example sentences
1. The environment has a great influence on the change of people's habits. The ancients said that those who are close to vermilion are red, and those who are close to ink are black. This is the truth.
Synonyms
迡濡狠[ěrrúmùrǎn]
桡:get wet; dye:contaminate. The ears often hear, the eyes often see, and are affected unconsciously. Don’t support yourself [bùfúzìzhí]
Live in a good environment and grow up healthily.