Kundalini Shakti
The mooladhara, the lowest of the chakras (energy centers) at the lower end of the spinal passage, is the embodiment of prakruti (nature) principle. Therefore it is related to the annamaya kosha, the material facet of man. It is the prithvi tattwa (the earth-principle).
The swadhisthana chakra, at the point of the navel, is the guardian of the pranamaya kosha, the vital facet of the person. It is the agni [fire] principle, the spring and source of warmth in the body, which maintains the processes of digestion and protection from environmental change.
The manipuuraka chakra is the next highest on the spinal scale. It is the jalatatwa (water-principle), which helps the circulation of blood both into the heart and out of it, from all parts of the body.
The anahatha chakra is in the region of the heart. It embodies the vayu (wind) principle, which is in charge of the breathing process, inhalation and exhalation, so vital for life and activity. It also vitalizes the spinal force.
The vishuddha chakra is in the pit of the throat, near the pituitary gland. It represents the akasha (space or ether) principle and promotes shabda (sound).
The ajna chakra on the mid-brow spot is the embodiment of vijnana—the splendor of awareness—for when this chakra is reached, man glimpses the truth, gets transformed, and becomes translucent. It is only a step away from the final realization, when the sahasrara chakra (the thousand-petalled energy center) on the crown of the head is attained. That is the consummation of all sadhana, of all search.
Sathya Sai Speaks, vol. 13, pp. 194-195
Para-shakti (the Goddess of energy, immanent in the microcosm and the macrocosm) is in everyone as the kundalini shakti, which is able to destroy, when awakened, the evil tendencies inside the mind…. By means of systematic sadhana (spiritual discipline) it is possible to tap the inner resources that God has endowed man with and elevate yourselves to the purer and happier realm of the Reality.
Sathya Sai Speaks, vol. 6, p. 77
By promoting the qualities of sama (equanimity) and dama (self-control), control of mind and of the sensory organs, it is possible for us to recognize divinity in the various chakras that exist between the mooladhara (base of the spine) and the sahasrara (crown of the head). When we understand the nature of these chakras and also understand the importance of these two qualities, sama and dama, we will know the nature of Brahman (the universal absolute).
Summer Showers 1997, p. 202
Learned men are not necessarily good, nor are men with spiritual powers over nature above pride, envy, and greed. Sathya (truth), dharma (duty), shanti (peace), and prema (love) are the hallmarks of a purified heart, a heart where God is enshrined and is manifest.
Sathya Sai Speaks, vol. 5, p. 289