The quote means care for others and not just yourself. Basically, don't be selfish and help other people when you can.
Foreshadowing means to give hints of the future. Like in "A Tale of two cities" by Charles Dickens, a man writes "Blood" on the wall, that word represents that there's probably a war coming.
Time, mood, speaker, idea
Please tell me if I'm wrong :)
Answer:
Oh i dead clicked on this thinking you had a question for english.
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