Not only have there been illuminated souls at all times, but there have been times when a wave of illumination has passed over humanity as a whole. We believe that such a period is at hand. The calamity through which the world has lately passed, and the problems of the present difficult situations are due to the existence of boundaries; this fact is already clear to many. Sufism takes away the boundaries which divide different faiths by bringing into full light the underlying wisdom in which they are all united.