So true. Modules are a wonderful feature, but they come with a lot of power, the implications of which are not always easily understood. To me it's telling tha

So true. Modules are a wonderful feature, but they come with a lot of power, the implications of which are not always easily understood. To me it's telling that one of the best Rails developers I ever worked with had 10 years of C++ experience, so he was quite wary of multiple inheritance and all its dangers.