The Vedas-Rg, Yajur and Sama-have enjoined on the Hindus a number of rites that are to be performed during the succeeding hours of the day. Every moment of one's waking hours, from dawn to dusk, is so taken care of that even if one wishes, there is not a minute to spare for frivolous pursuits. These daily practices have taken cognizance of man's nature-that unless he is compelled by injunction, inducement, circumstances or ambition, he would fritter away his energy and time in chasing transient success-and aim to awaken the mental, moral and spiritual powers lying dormant in him.