In the beginning there was absolutely nothing, and what existed was covered by death and hunger. he thought, "let me have a self," and he created the mind. as he moved about . . water was generated. froth formed on the water . . [which] solidified to become earth. . after resting, he divided himself in three parts [fire, sun, and air]. . he caused his self to split into two matching parts . . and from them arose husband and wife. . and from their union arose the human beings of the earth. . she changed to a cow . . he changed to a bull . . and from their union cows arose. —the principal upanishads based on the explanation of one of the elements, explain what some values of this culture might be.