“When you begin to observe the habitual pull
of the mind along a particular sensory path
towards an object, you can cultivate a choice.
In that, rather than being habitually drawn
towards the external object of the senses,
you can instead choose to turn the mind
back and inwards towards experiencing
the root and source of a particular sense.
This can serve both as an object to bind the
mind, out of which, steadiness can arise.
As well as being an inquiry into both the
role and sources of the senses, which in
turn can help us to more fully understand
how we choose to relate to our environment.
Also, a steady mind can offer a means by
which you can sense, perceive and process
experiences more deeply, more subtly.
However,
it is also very possible to have a subtle perception,
but an unsteady mind.”
– Paul Harvey on Yoga Sūtra Chapter One verse 35