Founders often want to move fast too early, before they achieve problem/solution fit, then subsequently move too slowly after they’ve validated product/market fit. This all boils down to confidence — overconfidence early and under-confidence later.

Founders often want to move fast too early, before they achieve problem/solution fit, then subsequently move too slowly after they’ve validated product/market fit. This all boils down to confidence — overconfidence early and under-confidence later.