In the ancient time yoga was not popular as today. It has some certainty, which make the huge difference over modern and ancient yoga in the terms of social mindset.
As per the hindu spiritual books or religious literature, in ancient time people sincerely used to follow up and believe on astrology and yogasana instructions.
As they were know the benefits for the spiritual living. They commonly used to follow bahirang (extrovert) yoga ( yam, niyam, asana, pranayam, prtya har )
In that time they used to do yoga for the health and spirituality. Which is common as today modern life.
The difference is today. that, we all are aware on yoga is about spirituality and knowledge about the chakras, kundalini and the depth study in yoga through digital gurus or on google or personal. But, at the ancient time, antarang yoga, (introvert)dharna, dhyan, samadhi further more , tantra, mantra, sadhana, kundilini, etc. the principal was only for specific Disciples which is selected by yogaguru.
He used to selected the brilliant personality who are able to be a great yogi.
This is why, today we could see everyone who are interested or professionally in yoga. they just criticizing and blaming to each other’s over knowledge. Which is creating an illusion in society about yoga.
Because, knowledge create a higher ego which is a common for the Human being. But, being a yogi is beyond ego.
If we look out the essence of this article ✍️
So, in ancient time they used to keep hiding yoga for the reason which was good.
Ancient time yogi used to be a yogi.
Now everyone is yogi. 🙏