Just want to incorporate the daily motto of the day from wikipedia into my own wiki outside wikipedia :)
Well, you won't get it that way, because transclusion is a complex operation and we can't even reuse templates between different Wikimedia projects (although there is a buggy possibility). For outside wiki, three ways are possible:
1. Create a bot that copies the template once a day. Pywikipedia framework can be used for that. 2. Write an extension that will make a http-request to Wikipedia and translude its results. I haven't seen one already, but it should be pretty trivial. You may also want to search http://mediawiki.org/wiki/Category:Extensions. 3. Create a JavaScript that will put it inside a small <iframe />. This is a rather ugly way, so it goes last in this list.
— Kalan