Answer
"He had come to the United States... never been married.
Step-by-step explanation:
The story "Hamadi" by Naomi Shahib Nye revolves around the character of Susan.
The quotation that best supports the theme as asked in the question is:
"He had come to the United States... never been married."
Susan is a fourteen year old teenager who develops the interest of exploring things around her. She constantly questions the things occurring and happening around her. She develops interest to know about the life of Hamadi. This curious nature of hers made her depressed and more concerned as she was growing old.
The story speaks covers many themes through the lives of Susan and Hamadi. The theme of moving on in the life has been highlighted the most. The lines stated above speaks about the life of Hamadi. It has been said that he had arrived in United States at the tender age of eighteen. This sentence speaks of the unplanned future that Hamadi had and that at that particular age he was also nit aware of his coming future.
Theres the answer :)