His advices are always alive. Specially if you check 13 min of this video.
Is nothing to comment. Just listen and lern what is yoga.
Becouse ashtanga yoga is not only asana. Is Bhakti also, is Kundalini there, Dhyana self study and much much more. For practitioner this knowledge slowly become true of regular life.
Just we need practice, regular Sadhana and all is coming.
Listening his words is like be open for coming pure light of love.