In this passage, the speaker expresses that true wealth lies not in material possessions or hidden treasures, but rather in the meaningful connections and intellectual growth experienced through friendship. He emphasizes the value of knowledge gained and the joy derived from sharing ideas, which far outweighs any monetary gain found beneath the earth.

This sentiment highlights the notion that intellectual enrichment and personal relationships are the most significant treasures one can possess. The speaker credits his friend for awakening his mind and expanding his understanding, underscoring how profound friendship can lead to a richer, more fulfilling life.