Why argue with rubies and emeralds, when his lips are the answer to both.

This couplet speaks to the supreme power of the beloved's words. Mir Taqi Mir suggests that arguing over worldly possessions or material differences—the red and the emerald—is pointless. The true, definitive answer, the resolution to all debates, lies solely in the lips of the beloved. It’s a beautiful surrender, where emotional truth trumps material argument.