When the sage Patanjali outlined the practice of yoga two thousand years ago, he used a form of short, easy-to-remember sayings that could be recited or chanted as slokas, the Sanskrit root for the English word “slogan.” Today we know slogans as catchy phrases used to promote products or sum up larger ideas, like “It’s the real thing,” or “Be all that you can be.” But if yoga has one ageless, all-encompassing slogan, …
