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 Lewis Allen is a scholar, author, educator, and executive. He earned a B.A. in classics and English from Haverford College, a Ph.D. in comparative literature from the University of Chicago and an M.B.A. from the Wharton School.