'Now that which is that subtile essence (the root of all), in it all that exists has its self. It is the True. It is the Self, and thou, O Svetaketu, art it.'
Through zeal knowledge is gotten, through lack of zeal knowledge is lost; let a man who knows this double path of gain and loss thus place himself that knowledge may grow.
Little is known by any one but the spiritual man, / Who has in his heart a touchstone of vital truth. / The others, hovering between two opinions, / Fly towards their nest on a single wing. / Knowledge has two wings, opinion only one wing; / Opinion is weak and lopsided in its flight. …