The first principle of getting things done is continuous action, not one-time effort.

The first principle of continuous action is low-resistance propulsion, not relying on willpower alone.
The first principle of low-resistance propulsion is breaking down steps, not setting grand goals.
The first principle of breaking down steps is completing a minimal closed loop, not doing everything perfectly at once.
The first principle of a minimal closed loop is timely feedback, not post-mortem review.
The first principle of timely feedback is quick correction, not self-justification.
The first principle of quick correction is having the right direction, not just short-term impressive results.
The first principle of having the right direction is long-term persistence, not short-lived bursts.