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 ... Whatever you can do, or dream you can, begin it. Boldness has genius, magic and power in it. Begin it now! - Goethe
Crucial importance of willpower/self-control/conscientiousness/grit. Mindset. Mental contrasting, implementation intentions, wooping. ‘Driving the bus’.
Note there are already a number of resources available on this website that are relevant for "Willpower & Making It Happen". Look, for example, in the "Wellbeing, time management, self-control & self-determination" section in this website's "Good knowledge" area.