Seven Samurai: How Akira Kurosawa Influences Filmmakers
Culture - Why is Seven Samurai so good? - BBC
There are big themes in both versions - in fact, the American version pretty much follows the original's script despite the differing cultures and being 3 centuries apart. Below are some quotes I pulled out that seem very relevant to today:
You said he'd be a treasure in hard times. The hard times have only just begun. ... two weeks ago.