I recommend 2 books: "The War of Art" and "Do The Work", both from Steven Pressfield.
In short, this is Resistance. Do The Work.
In short, this is Resistance. Do The Work.
Really?
Another (more straightforward and simple) method of wanting to do everything is to just have a "not to do list" http://blog.close.io/not-to-do-list
Also, I wrote a post about this: http://www.splinter.com.au/turning-30-all-ideas-no-execution...
Good luck :)