" There is an ongoing debate in the political, scientific, and business worlds about whether to focus on the bold leaps that lead to new conceptual terrain, or on the marginal gains that help to optimize one’s existing fundamental assumptions. Is it about testing small assumptions or big ones; is it about transforming the world or tweaking it; is it about considering the big picture (the so-called gestalt) or the fine detail (the margins)? The simple answer, however, is that it has to be both. At the level of the system and, increasingly, at the level of the organization, success is about developing the capacity to think big and small, to be both imaginative and disciplined, to immerse oneself in the minutiae of a problem and to stand beyond it in order to glimpse the wider vista. "

― Matthew Syed , Black Box Thinking: Why Some People Never Learn from Their Mistakes - But Some Do