Writing Homework Help

I’m working on a writing practice test / quiz and need an explanation and answer to help me learn.

https://lingparc.wordpress.com/2014/09/28/diogenes-and-alexander/

Highet clearly contrasted the old, crusty philosopher, Diogenes with the young, confident Alexander by physical appearance, personality, and reputation. However, he drew a comparison betwenn them by the end of the story. How were the two similar? What did the youthful conqueror mean when he said, “If I were not Alexander, I should be Diogenes?” (Your response should be at least 200-250 words and in paragraph form.)