| Quote #1
Thereafter beginning from the left he poured drinks for the other
This might not immediately seem like it has to do with the theme of mortality, but it is important to understand that much of what the Iliad says about mortals is meant to be contrasted with what it says about gods. The immortality of the gods is one of the most important things about them. In fact, as you can see here, they are sometimes referred to simply as "the immortals." Why do you think Homer would want to contrast the scene of Achilleus and Agamemnon's argument with this picture of divine celebration?
| Quote #2
Antilochos was first to kill a chief man of the Trojans,
This is the first of many, many scenes like it in the Iliad: someone is no sooner introduced – sometimes with a little bit of biographical information – than killed in gruesome fashion. Even though moments like this may seem repetitive and gross, they are important to the poem as a whole. Scenes like this remind us that death is not abstract: it strikes down real people, and it hurts.
| Quote #3
These words, spoken by Agamemnon to Nestor, bring home the universal fact of death. Even though, if you're lucky, you can escape death in battle, old age spares no one.