In a Shakespearean Sonnet the two last lines are always Rhyming Couplets.
The first one.
Explanation: It has the right punctuation and capitalization.
Giving into greed can cause you great misery. The men had received treasures. If they had been satisfied with that, they could have returned home to Ithaca victorious and wealthier. Because of their greed, many did not return home at all.