Vairagya and Abhyasa – How to Deal with the Stormy Mind
Sutras 12 through 16 of Book One of the Yoga Sutras of Patanjali Yoga Sutras 1:12. Their suppression [is brought about] by persistent practice [abhyasa] and non-attachment [vairagya]. Two things are needed for the ending of mental modifications. One is abhyasa–sustained spiritual practice. This is why Krishna speaks of abhyasa yoga.