oinkoink wrote: > On the quickstart tutorial on the Ruby homepage, > http://www.ruby-lang.org/en/quickstart/3/ , it says, > "In Ruby, you can open a class up again and modify it. That doesn't > change any objects that already exist, but it does affect any new > objects you create." This is incorrect. For example: Nope, this is correct. This in fact changes the object behaviour, but the objects themselves are not changed. Methods belongs to classes, not objects. lopex