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: Michael Scott Horton is the J. Gresham Machen Professor of Theology and Apologetics at Westminster Seminary California since 1998, Editor-in-Chief of Modern Reformation magazine, and President and host of the nationally syndicated radio broadcast, The White Horse Inn.