yogaś-citta-vṛtti-nirodhaḥ

“Yoga ist das zur Ruhe bringen der Gedankenwellen im Geist.” (PYS 1.2)

When you stop identifying with your thoughts, fluctuations of the mind, then there is Yoga, identity with Self, which is Samadhi, happiness, bliss, and ecstasy. ~

Commentary by Sharon Gannon