My personal experience applying both methods in creative work currently suggests that persistent long-term planning leads to more significant results overall.
You can spend your time solving problems you have now, or you can anticipate problems you're going to have further down the line. All too often the creative solution to a future problem changes the mission requirements in the present, and thus the criteria of the next task, prompting a different design.
John Cleese's talk on creativity [1] suggests the same, that sticking with a problem after having already solved it produces better solutions the more time you're willing to endure the discomfort of ... deferring execution.
You can spend your time solving problems you have now, or you can anticipate problems you're going to have further down the line. All too often the creative solution to a future problem changes the mission requirements in the present, and thus the criteria of the next task, prompting a different design.
John Cleese's talk on creativity [1] suggests the same, that sticking with a problem after having already solved it produces better solutions the more time you're willing to endure the discomfort of ... deferring execution.
[1] https://www.youtube.com/watch?v=Pb5oIIPO62g