But the earth got gas once it burps its fine

from Child Rebel Soldier (Ft. Kanye West, Lupe Fiasco & Pharrell) – Us Placers Lyrics on Rap Genius

I believe Pharrell speaks the idea that when people give in to their temptations and end up doing evil things (“listen to the serpent, fine”), it builds up like gas and karma or nature or God or some unseen force will ‘burp’ it right back, restoring the balance (a karmic bitch-slap).

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