Words — so innocent and powerless as they are, as standing in a dictionary, how potent for good and evil they become in the hands of one who knows how to combine them.

Nathaniel Hawthorne

We are aware of yoga only as a technique to gain physical strength, flexibility, or increased health. And indeed these are potent side effects of the practice. But that is what they are: side effects. To focus on these largely insignificant manifestations is to miss the point entirely.

John McAfee