What he really troubles himself about is the necessity for securing the present favour of the inhabitants of the unseen world, supposed to occupy the atmosphere everywhere around him—of the good and evil demons and spirits of the soil—generally represented by rude and grotesque images, and artfully identified by village priests and Brāhmans with alleged forms of Vishṇu or Ṡiva. It follows that the mind of the ordinary Hindū, though indifferent about all definite dogmatic religion, is steeped in the kind of religiousness best expressed by the word {deisidaimonia}. He lives in perpetual dread of invisible beings who are thought to be exerting their mysterious influences above, below, around, in the immediate vicinity of his own dwelling. The very winds which sweep across his homestead are believed to swarm with spirits, who unless duly propitiated will blight the produce of his fields, or bring down upon him injury, disease, and death. Then again, besides the orthodox and besides the sectarian Hindū and besides the great demon-worshipping, idolatrous, and superstitious majority, another class of the Indian community must also be taken into account—the class of rationalists and free-thinkers. These have been common in India from the earliest times. First came a class of conscientious doubters, who strove to solve the riddle of life by microscopic self-introspection and sincere searchings after truth, and these did their best not to break with the Veda, Vedic revelation, and the authority of the Brāhmans. Earnestly and reverently such men applied themselves to the difficult task of trying to answer such questions as—What am I? Whence have I come? Whither am I going? How can I explain my consciousness of personal existence? Have I an immaterial spirit distinct from, and independent of, my material frame? Of what nature is the world in which I find myself? Did an all-powerful Being create it out of nothing? or did it evolve itself out of an eternal protoplasmic germ? or did it come together by the combination of eternal atoms? or is it a mere illusion? If created by a Being of infinite wisdom and love, how can I account for the co-existence in it of good and evil, happiness and misery? Has the Creator form, or is He formless? Has He qualities and affections, or has He none? It was in the effort to solve such insoluble enigmas by their own unaided intuitions and in a manner not too subversive of traditional dogma, that the systems of philosophy founded on the Upanishads originated.