In Glimpses of Raja Yoga, Vimala Thakar introduces the basic concepts of Patanjali s Yoga Sutras by focusing on a different sutra, or aphorism, in each of the twelve chapters. In her opening chapter, she presents the historical and cultural background of Patanjali s Raja Yoga. Chapter 2 contains an eloquent invocation of the dimension of Silence the meditative state that one enters with the stilling of the mind. Chapters 3 6 examine the ethical principles and observances (the yamas and niyamas) that form the foundation of a healthy spiritual practice. Here Vimala discusses the...