When the Yogi has full power over his body composed of the elements of earth, water, fire, air, and ether, then he obtains a new body of spiritual fire which is beyond illness, old age, and death.
The Upanishads
When the Yogi has full power over his body composed of the elements of earth, water, fire, air, and ether, then he obtains a new body of spiritual fire which is beyond illness, old age, and death.
The Upanishads