Used properly, doubt is neither a dead end, nor an obstacle to be overcome, but a guide. That is not to say, however, that it is merely a means to an end, something that can be left behind once it has done its task. In order to maintain an awareness of other perspectives, and to keep testing the robustness of your own, doubt always needs to be a close companion, asking the difficult questions.
Latest FT Weekend Magazine column (17/18 August)