"When a man's stomach is full it makes no difference whether he is rich or poor"

This quote by Euripides speaks to the concept that product wealth does not always equate to joy. When a person is complete and satisfied, it does not matter if they are rich or not. This recommends that true contentment and delight originate from within, instead of from external sources. It is a pointer that money and belongings do not bring real happiness, and that it is important to value the easy things in life.

Euripides' quote also talks to the idea of equality. It indicates that despite an individual's monetary status, everybody can experience the same level of complete satisfaction when their stomach is complete. This recommends that all people need to be treated similarly, despite their wealth or social standing.

Overall, this quote by Euripides is a tip that true happiness originates from within, and that material wealth does not necessarily correspond to contentment. It likewise speaks with the idea of equality, recommending that all people ought to be treated similarly, regardless of their monetary status.