This is probably my favorite quote of all time, because I've found it to be true:
“Until one is committed, there is hesitancy, the chance to draw back, always ineffectiveness. Concerning all acts of initiative (and creation), there is one elementary truth, the ignorance of which kills countless ideas and splendid plans: that the moment one definitely commits oneself, then Providence moves too. All sorts of things occur to help one that would never otherwise have occurred. A whole stream of events issues from the decision, raising in one's favour all manner of unforeseen incidents and meetings and material assistance, which no man could have dreamt would have come his way. I have learned a deep respect for one of Goethe's couplets: Whatever you can do, or dream you can, begin it. Boldness has genius, power, and magic in it!” ― William Hutchison Murray
I split productivity into two camps: Almost Work and Real Work. I engage in a LOT of Almost Work...talking about stuff, dreaming about stuff, posting about stuff, researching stuff, etc...but never actually doing it. The linchpin is commitment: once you commit to something, it shifts your perspective & opens you up to finding & accepting all KINDS of resources. Without fail, committing to something & putting consistent effort into it opens up all kinds of doors that I never would have seen or come across before. It's one of the few things I consider real magic in my life.