'If we could change ourselves, the tendencies in the world would also change" is one of Mahatma Ghandi's most famous maxims and in Punjab, India, there's a temple that's a living example of those words. A documentary about that temple, titled "Himself He Cooks," is both empowering and humbling, a paradisal trip for the senses to a destination so exotic it makes fictional-travel movies look tawdry.