Stay in your playpen boy, and babble for your formula and cried
You pacified, this lullaby from the black butterfly

from RZA (Ft. Truth) – Tragedy Lyrics on Rap Genius

Meaning

He treats his haters like infants; they all talk a bunch of shit (crying for their formulas) but when they hear his music their doubts are silenced (pacified)

this goes perfectly with the “black butterfly” reference as they often represent peace and rebirth; rza’s well versed in his culture’s music too, so the black butterfly reference may also be referring to this popular song.

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