One should not speak of great matters before those with limited understanding, just as a seven-sher quantity cannot fit into a pasher-sized vessel.

This couplet wisely suggests that it's best not to discuss complex or profound ideas with those who have a limited understanding. It uses a simple yet powerful analogy: just as a small container, like one holding a quarter of a sher, cannot possibly hold seven full shers, a mind that's not ready or capable cannot grasp large, intricate thoughts. Essentially, don't waste your breath on deep conversations with those who won't comprehend them. Save your wisdom for receptive minds.