The study of the history of words and their meanings
Discrimination is when you treat someone in a disrespectful manner based on their age, sex, race, etc.
Age discrimination is when you disrespect someone based on their age.
For example, a cashier follows a teenager around the store because they believe they are going to steal something since they're young and naive. Or, not letting an elder in to a club because they're too old to dance.
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
The central idea would be that even though Edison made lots of horrible inventions and mistakes, without him not giving up and continuing we wouldn’t have things we use everyday. So basically keep going and don’t give up.