Ruby also let's you extend all object/classes - all the way up/down to Object. I don't know that I think that's a very good idea, but at least it's possible.

Ruby also let's you extend all object/classes - all the way up/down to Object. I don't know that I think that's a very good idea, but at least it's possible. It allows things like: require 'active_support/time' 5.days.ago