No matter how deep you dive into Python / Django, you will not understand what's possible with Prolog. I think what Hickey is getting at is that you should be a

No matter how deep you dive into Python / Django, you will not understand what's possible with Prolog. I think what Hickey is getting at is that you should be aware of what computers are capable of, not just Python / Django. Re: parallelism, as a useful and simple exercise, try writing a load tester in Python and then try it in Go (simple program that hits yoursite.com as hard as your network connection will allow).