It is the spiritual soul who as a result of spiritual attainment begins to rise above all fear. As Ali has said, "Fear no longer remains in the heart of the spiritual ones." For fear is like the darkness, and the illumination is light. When illumination comes obscurity disappears. When a person has arrived at spiritual attainment, his doubts cease to exist. But without spiritual attainment, however intelligent a man may be, he still has doubts; and very often the more clever a person, the more doubts he has. And there are many among the most intelligent ones who cannot make a decision: they cannot make up their minds, for they doubt; and doubt is the decay which destroys every action. There is only one thing that raises a man above doubt, and that is not belief, but conviction; and conviction comes by spiritual attainment.