What Sanskrit verse has been chanted daily for nearly 4,000 years and entered into pop culture by the Battlestar Galactica series and Cher? If you answered the Gayatri mantra, familiar to yogis and fans of kirtan singer Deva Premal, you’d be right. This mantra is said to contain all the knowledge of the universe, so obviously its fullest meaning and proper invocation takes time, devotion, and practice to understand and master. If you …