To solve a problem or to reach a goal, you don't need to know all the answers in advance. But you must have a clear idea of the problem or the goal you want to reach.
Bio: Peter R. Fisher is a senior lecturer at the Tuck School of Business at Dartmouth College, and a senior fellow at the Tuck Center for Global Business and Government. He is also a former executive at BlackRock and a former senior official at the U.S.