Borderline surprised this is on the frontpage. :)<p>Here are two comments from yours truly on what "ideals" are and why they make sense to think about for number theory:<p><a href="https://news.ycombinator.com/item?id=14016396" rel="nofollow">https://news.ycombinator.com/item?id=14016396</a><p><a href="https://news.ycombinator.com/item?id=14017178" rel="nofollow">https://news.ycombinator.com/item?id=14017178</a>