"Tell me who is able to keep his bed chaste, or which goddess is able to live with one god alone?"

This quote by Sextus Propertius is a rhetorical concern that is suggested to emphasize the problem of staying faithful in a relationship. It is asking who is able to remain chaste and faithful in their relationship, and which goddess has the ability to stay devoted to one god alone. This quote is recommending that it is a difficult task to stay faithful in a relationship, and that it is an obstacle that is not easily accomplished. It is also recommending that even the gods and goddesses of mythology, who are frequently seen as best and untouchable, are not able to stay devoted to one god alone. This quote is a tip that relationships need effort and commitment in order to stay strong and faithful. It is a reminder that relationships need commitment and trust in order to remain strong and healthy.