The great Breath goes forth and returnes
Again
As it precedes outwards, objects, worlds,
and men appear.
As it recedes all things disappear into
The Original Source
The Great Breath is, so to speak,
the universal and eternal Perpetuum Mobile.
Veda on Creation.
So much wisdom right in here. If we presume that the breath is life, we can understand the great references showing here. The art of breathing is something that is studying for a thousands of years, and still we do not fully understand, and what is worse, underestimate the power of breath.
The secrets of breathing lies in every ones of us, we just need to discover it. Once you learn it, you could do amazing things. So breathe, at ease, it is for free.