We think faster, and more, than we can do. The mind races ahead, mapping possibilities and rehearsing outcomes, while the hands are still on step one. This mismatch is the source of most productivity anxiety: you feel behind because your thoughts are already three moves ahead of your actions, and the gap between them reads as failure even when nothing has gone wrong.
The practical rhythm is to think just enough to act, then act, then think again with what you learned. One cycle of think-act teaches more than ten cycles of think-think-think, because reality answers questions that speculation can only guess at. Thinking too far ahead breaks the rhythm: the plan diverges from reality with every unvalidated assumption stacked on the last, and you end up replanning instead of progressing — polishing a map of a country you have never set foot in.
Thinking without acting is imagination. Acting without thinking is impulse. The two are inseparable; each is incomplete and slightly dangerous on its own. Agency is the unity of both, in rhythm — the steady alternation that turns intention into something the world can actually push back against. (A rhythm I keep relearning from a note from a friend.)