I can remain thoughtfully thoughtless, It is not an empty mind.
As the trunk is one but the branches are many, yoga is one but adaptations may vary.
Life without tapas, is like a heart without love.
Yoga, an ancient but perfect science, deals with the evolution of humanity. This evolution includes all aspects of one's being, from bodily health to self-realization.
If everyone practiced yoga, pharmacies would have to close.
Give more than you receive. That is the principle I tell all my students.