Amidst the harbor lights which remain in the distance

from Black Star (Ft. Common) – Respiration Lyrics on Rap Genius

Meaning

Though Mos isn’t always home (NewYork) he always has his eye/mind on it. You can hear it in his lyrics…even has a song named “Brooklyn”

Also, very likely a reference to the “green light” in the Great Gatsby, barely visible harbor lights which symbolized Gatsby’s “hopes and dreams for the future"
source

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