"Hard work would always yield results, as proved by our predecessors. A few notable figures to mention would be Thomas Edison and the Wright brothers, Wilbur and Orville. Studying also conforms to this concept."
You can use this as an opening.
If someone says "I will do it on his behalf" that means "I will do it instead of him" meaning that the speaker will act, rather than the "him" if the poet said "on behalf of us" they probably meant "instead of us"
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you can use pics art? editor its easy website to use
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