46 The Hieratic Religion (6 "That lovely glory of Savitar, The heavenly god, we contemplate: Our pious thoughts he shall promote." 992 87 Here is almost the first touch of that inimita- ble combination of the Upanishads, the Atman, breath," and the Brahma, "holy thought," that is the combination of physical and spiritual force into one pantheistic all. As a modern IIindu says of the Savitri: "It is of course impossible to say what the author of the Sävitri had in view, but his Indian commentators, both ancient and modern, are as one in believing that he rose from nature up to nature's God, and adored that sublime luminary which is visible only to the eye of reason, and not the planet we daily see in its course." Katyāyana in his Index to the Rig-Veda, the so-called Anu- kramani, after stating the familiar classification of all the gods of the Veda into three types-Agni (fire and light on earth), Väyu (air or wind in the atmo- sphere), and Sürya (sun in the sky)-proceeds still farther to assert that there is only one deity, namely, the "Great Self," (mahan atmã), and "some say that he is the sun (sürya) or that the sun is he." This is, of course, later thought, Upan- 4Rig-Veda 3. 62. 10. Rajendralălamitra in the Introduction to his Edition of the Gopa- tha Brahmana, p. 24.