In this class (Class 7), we discuss Yoga Sūtra 1.16–1.18, along with Edwin Bryant's commentary on these sūtras (pp. 57–72 of Edwin Bryant's book The Yoga Sūtras of Patañjali).

You can download Swami Medhananda's academic article, "From Good to God: Swami Vivekananda's Vedāntic Virtue Ethics" here