Isaiah 42:2

He shall not cry, nor lift up, nor cause his voice to be heard in the street.

Cross-reference

In Matthew 11:29, Jesus calls himself 'gentle and lowly in heart', directly echoing the unassuming character of the Servant here.

Matthew 12:16-20 quotes this very passage, applying it to Jesus' ministry of quiet healing and concealment.

1 Peter 2:23 shows Christ not retaliating or threatening in suffering, directly embodying the silence and gentleness of the Servant.

John 7:10 Allusion

John 7:10 has Jesus going secretly to the feast — mirroring the Servant's refusal to cry out publicly.

2 Timothy 2:24 calls the Lord's servant to be kind and not quarrelsome, reflecting the same gentle demeanor as the Servant here.