If you could teach the entire world just one concept, what would it be?

My friends asked me, “are you not coming for the party? "change into passive voice

1. a poem that tells a story irony 2. taking on human characteristics narrative 3. a direct comparison between two things personification 4. words that are opposite the thoughts in a speaker's mind simile 5. implied comparison introduced with "as" and "like idiom 6. one's own manner of speaking metaphor

Could someone me with this question?