Those who dream by night in the dusty recesses of their minds wake in the day to find it was vanity, but the dreamers of the day are dangerous men for they may act their dream with open eyes to make it possible. - T. E. Lawrence
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.