Literature is art. A realm where you can make worlds and cities fit to your liking. It can also be a great way to escape from the hard gritty reality of the real world and create your very own fantasy
I think "laughing" modifies "children"
Part A
"They flash upon that inward eye / Which is the bliss of solitude,"
the "inward eye" meaning they bring bliss to the heart.
"I gazed--and gazed--but little thought / What wealth the show to me had brought:"
He was unaware at first that just looking at the flowers would bring so much joy.
Part B
The image creates an admiring tone that helps readers understand why the speaker seeks to recall the happiness he felt.
The author compares stars shining on the Milky Way to seeing the beautiful flowers, because they both created a long lasting joyful experience for him.
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I hope this helped you baii <33
