Mysticism is strong in Schopenhauer. Now and again it breaks through the even flow of European thought, usually, as with Schopenhauer, drawing its main inspiration from the East. There is a recurring period in the history of thought, when the scientific point of view does not make its accustomed appeal, when it is felt intensely that science can give but a partial and limited view. Academic culture and science are felt to be inadequate, are felt even to be leading away from the real heart of the matter, and putting us outside the deepest current of existence. Intuitive and direct knowledge is given then an importance {92} denied to the knowledge of the reason. Man retires into himself, instead of searching outside himself for objective knowledge. He seeks the secret of the universe in the depths of his own heart and will, and strives to pluck out the heart of life's mystery in waiting on the silent twilight of inner feeling. The eyes are shut on the outer world, in order that one may see the more inwardly. Then only does man experience the sense of solidarity and kinship which runs through all things, and feel himself one with the universe. These recurring waves of mysticism seem always to appear in the history of thought at the end of a specially brilliant intellectual period. It is as though the human mind, having striven to the top of its capacity on the lines of the intellect and the reason, impatient at its own limitations, and wearying of the discrepancy between its endeavours and its achievements, turns eagerly in the opposite direction, and directs its gaze inward. The great school of Neo-Platonists, for example, followed immediately the most brilliant age of Greek thought. And the same is true of the strong trend in the direction of mysticism, which is so marked towards the close of the eighteenth and the beginning of the nineteenth centuries in Germany, a tendency which shows itself in Schopenhauer more strongly than in any other philosopher.