The commercialism may wash off sometime later.

Intellectuals tend to be arrogant. Intelligence, like money, is a good servant but a bad master. When practicing pranayama, the yogi [makes] himself humble and without pride in his intellectual attainments.

Asana is perfect firmness of body, steadiness of intelligence, and benevolence of spirit.

In forward bends, one uses the outer mind while in backbends the outer mind is silenced and the inner mind is made to work.

Keep your attention internal, not external, not worrying about what others see, but what the Self sees.

Mind is the king of the senses; breath is the king of the mind; and the nerves are king of the breath.

Sirsasana the king of all asanas and the reasons are not hard to find.