You’ve seen that the first lines of the poem illustrate that the beginning of the life cycle is precious. It doesn’t last long, so it’s rare. The last four lines of the poem all describe ways in which things pass from the ideal state of their beginning—where they are precious, rare, valuable, and short lived—to a more mature state that is less precious. Describe how each of these lines conveys the message of something precious becoming less precious.

you could write that humans are constantly growing and throughout their lives, they find things that will become precious to them and they will passionate about them but as time passes, they will discover more, etc.

Explanation:

Line from PoemHow It Conveys a Message

Then leaf subsides to leaf.The first leaf, which comes in the form of a flower, turns into a plain leaf over time. The word subsides is a synonym of falls. (Beautiful flowers don’t last.)

So Eden sank to grief,The biblical Garden of Eden was a place where people lived in paradise. But over time, people disobeyed and began to live in a more corrupt world.

So dawn goes down to day.Golden sunrises are beautiful, but they end and turn into regular days.

Nothing gold can stay.Nothing stays in its precious (gold) state; it soon changes into something less precious.

Explanation:

summer because you get to tan and wear cooler clothes and go to the beach

the author motivation is to show the power of animal-human relationships.